Rebecca Roman is an associate in the Dallas office of Gibson Dunn. She is a member of the firm’s Appellate and Constitutional Law Practice Group.

Before joining the firm, Rebecca served as a law clerk to Judge J. Harvie Wilkinson III of the U.S. Court of Appeals for the Fourth Circuit and Judge Barbara Lagoa of the U.S. Court of Appeals for the Eleventh Circuit.

Rebecca graduated with High Honors from the University of Chicago Law School, where she served as the executive editor of The University of Chicago Legal Forum. She was a Kirkland & Ellis Scholar, a member of the Order of the Coif, and was awarded the D. Francis Bustin Prize “in recognition of a paper which makes a valuable and important contribution for the improvement of the processes of the government.” Before law school, Rebecca was a registered lobbyist before the State of Florida, representing an array of clients from trade associations to Fortune 500 companies before the state legislature and executive agencies. She received her bachelor’s degree magna cum laude in philosophy and political science from Florida State University. 

Rebecca is a member of the Texas bar.

Minnie Che is an associate in the Los Angeles office of Gibson Dunn. She currently practices in the firm’s Transactional Department. Minnie earned her law degree from Harvard Law School, where she served as an Editor for the Harvard Journal of Law & Technology and a Board Director for the Harvard Legal Aid Bureau. While in law school, she co-founded the Harvard Law School Film Society, served as a Teaching Fellow for Professor William Fisher in Copyright Law and a Staff Writer for Professor Ben Sachs’ On Labor, and was on the Executive Board for the Asian Pacific American Law Student Association (APALSA). Minnie graduated cum laude and with pro bono distinctions.

Prior to law school, she earned her Bachelor of Arts in Psychology from Columbia University and her Bachelor of Arts in Political Science and History from Sciences Po. Minnie graduated summa cum laude and was inducted into Phi Beta Kappa.

Minnie is admitted to practice in the State of California.

Chelsea Werner is an associate in the Los Angeles office of Gibson Dunn. She currently practices with the firm’s Transactional Department.

Chelsea graduated from Duke University School of Law in 2025. While in law school, she served as an online editor on the Duke Law Journal and as a faculty research assistant at the Goodson Law Library. She also interned at the Wilson Center for Science and Justice.

Prior to law school, she taught middle school science and was a college access counselor in Louisiana. Chelsea earned her Bachelor of Arts and Master of Science in Marine Affairs and Policy from the University of Miami.

Chelsea is admitted to practice law in the State of California.

Mason F. Ye is an associate in the Orange County office of Gibson Dunn and practices in the firm’s Transactional Department.

Mason earned his Juris Doctor from UCLA School of Law in 2025 where he served as a Managing Editor of the UCLA Entertainment Law Review. He also served as a Staff Editor of the UCLA Journal of Environmental Law and Policy, in which he published his academic note, Watt’s in the Wind, analyzing the legal and regulatory frameworks shaping offshore wind energy policy in China and the United States. He received his undergraduate degree, cum laude, in World Politics from The Ohio State University in 2018.

Prior to joining the firm, Mason led a boutique consulting firm specializing in North America–APAC joint ventures and co-founded a cross-border fertility services business.

Mason is admitted to practice in the State of California. He is fluent in English and Mandarin Chinese.

Lauren Romagnoli is an associate in the San Francisco office of Gibson Dunn, where she currently practices in the firm’s Transactional Department.

Lauren received her J.D. from Stanford Law School in 2025. She earned her Bachelor of Science degree in Ocean Engineering from the United States Naval Academy in 2016. Prior to attending law school, she served as an officer in the U.S. Navy.

Lauren is admitted to practice in the State of California.

Nathan Curtis is Of Counsel in the Dallas office of Gibson, Dunn & Crutcher. He practices in the firm’s Litigation Department in the Intellectual Property Practice Group. Prior to joining Gibson Dunn, Nathan served as a law clerk to the Honorable Timothy B. Dyk of the United States Court of Appeals for the Federal Circuit.

Nathan has litigated numerous complex intellectual property cases in a wide range of technological fields, including computer architecture, telecommunications, networking, communications standards and protocols, digital signal processing, consumer products, medical devices, and steel manufacturing. He has successfully defended clients in intellectual property cases in the nation’s most active patent venues—the Eastern District of Texas, the Western District of Texas, the Northern District of California, the District of Delaware, the International Trade Commission, and the Federal Circuit. He has experience coordinating multi-forum disputes involving parallel district court litigation, International Trade Commission investigations, Patent Trial and Appeal Board proceedings, and related foreign actions. In addition to litigation, Nathan has extensive experience with patent review proceedings at the U.S. Patent & Trademark Office, including both inter partes review and reexamination proceedings.

Representative Matters

• Representing DIRECTV in the Central District of California in a lawsuit relating to satellite reception and distribution technologies.
• Representing Uber in multiple patent cases involving location, network infrastructure, and transportation-related technologies.
• Representing Hewlett Packard Enterprise in multiple patent cases in the Eastern and Southern Districts of Texas relating to computer, server, and access point technologies.
• Represented Dell EMC in its more than decade-long patent dispute with ACQIS. Secured complete summary judgment of non-infringement on eight patents, defeated ACQIS’s appeal before the Federal Circuit, and on remand obtained a $4 million attorney-fee award that was affirmed on appeal. The victory was achieved after ACQIS had previously obtained a jury verdict and tens of millions of dollars in settlements from other major technology companies on the same portfolio. The result was recognized by The American Lawyer’s Litigation Daily.
• Represented Dell in a patent litigation brought by VideoLabs in the Western District of Texas relating to video coding standards. Achieved a favorable resolution following strategic motion practice and successful results in parallel cases. 
• Represented SharkNinja in a wide-ranging, multi-forum patent dispute against Dyson involving vacuum technologies. After Dyson sought millions from SharkNinja related to a hair care patent, SharkNinja filed a five-patent ITC investigation and an eight-patent action in the District of Massachusetts asserting its vacuum patents. Dyson counterclaimed with a nine-patent case in the Eastern District of Texas. At the same time, represented SharkNinja in more than a dozen IPR proceedings relating to the patents asserted across the various cases. Obtained a highly favorable global settlement on the eve of the ITC trial.
• Represented Cloudera in a patent litigation brought by Byteweavr in the Western District of Texas. Secured a favorable settlement.
• Represented Roku in a patent litigation brought by VideoLabs in the District of Delaware relating to video coding standards. Secured a favorable settlement. 
• Represented Fitbit in a multi-forum dispute, including multiple federal district court patent cases, a state court trade secret misappropriation case, and a patent infringement investigation before the International Trade Commission regarding technologies used to monitor activity and heart rate in activity trackers.
• Represented NetApp in a patent litigation against KOM Networks pending in the District of Delaware relating to data security. Secured a favorable settlement for NetApp after invalidating the majority of asserted patents.
• Represented Rubrik against competitor Actifio’s patent infringement lawsuit in which Actifio asserted four patents related to data backup technologies. Successfully forced Actifio to drop its preliminary injunction motion and dismiss the case.
• Secured complete summary judgment of non-infringement for NetApp in its case against Intellectual Ventures in the District of Massachusetts.
• Represented Nippon Steel & Sumitomo Metal in a multi-patent and unfair competition case in the District of New Jersey involving processes for manufacturing electrical steel.  The case involved co-pending reexamination proceedings at the U.S. Patent & Trademark Office and related litigation in Japan and Korea, which included claims for trade secret misappropriation.  All disputes were resolved favorably shortly before trial pursuant to a coordinated cross-border strategy.
• Represented plaintiff Sanofi Aventis in Hatch-Waxman lawsuits filed in the District of Delaware concerning Section 505(b)(2) applications for diabetes treatments. The litigation resolved favorably on the eve of trial.
• Represented Cablevision in defending against multiple lawsuits related to cable networking and distribution, successfully narrowing claims and positioning matters for favorable resolution.

In addition, Nathan represents disabled veterans before the U.S. Court of Appeals for Veterans Claims on a pro bono basis in claims for service-connected disability benefits.

Nathan earned his Juris Doctor summa cum laude from the J. Reuben Clark Law School at Brigham Young University. While attending law school, he served as Editor-in-Chief of the Brigham Young University Law Review and published multiple articles in the Law Review. Prior to law school, he graduated magna cum laude and received a Bachelor of Science in Applied Physics, with minors in Mathematics and Spanish, from Brigham Young University. Nathan has received several notable awards. During law school, he was the recipient of the J. Reuben Clark Award for exemplifying academic excellence, integrity, high ethical standards, and service. He was also elected to the Order of the Coif. Following law school, he was recognized for obtaining the second highest score on the July 2011 Texas Bar Exam.

Nathan is admitted to the bars of the State of Texas and the United States Court of Appeals for the Federal Circuit. He is also admitted to practice before the U.S. Patent & Trademark Office.

Ashbey Morgan is an associate in Gibson Dunn’s Dallas office.  She currently practices in the Intellectual Property, Litigation and Life Sciences practice groups.  Leaning on her background in organic chemistry and experience as a former law clerk to Chief Judge Rodney Gilstrap in the Eastern District of Texas, Ashbey concentrates on patent litigation across many technologies, including pharmaceuticals, medical devices, telecommunications, mobile communications, and software.  She has substantive experience in all phases of litigation from pre-suit diligence to pre-trial, trial, and post-trial, including drafting and arguing dispositive motions, managing document review and offensive and defensive discovery, working with experts, handling pre-trial disclosures and jury materials, taking and defending depositions, preparing trial witnesses, and conducting witness examinations at trial.  Since joining the firm, she has participated in several pre-trial and trial proceedings, including arguing at Markman hearings and pre-trial conferences. 

Prior to joining the firm, Ashbey served as a law clerk to Chief Judge Rodney Gilstrap in the Eastern District of Texas.  During her clerkship, she assisted with the management of both patent and non-patent cases, including federal civil rights, civil asset forfeiture, trademark, insurance, and tax.  She also worked on numerous judicial proceedings, including eight civil jury trials, one bench trial, and five Markman hearings.

Ashbey received an ACS-certified B.A. in chemistry, cum laude, from Rollins College in Florida and her J.D., summa cum laude, from Southern Methodist University Dedman School of Law, where she graduated as a member of the Order of the Coif.  

Ashbey is admitted to practice in the State of Texas, the United States Courts of Appeals for the Fifth Circuit and Federal Circuit, and the United States District Courts for the Northern, Southern, Eastern, and Western Districts of Texas.

Ashbey is recognized in Best Lawyers: Ones to Watch® in America for Litigation-Intellectual Property (2024-2026) and Life Sciences (2026).

Representative matters:

• Represents Uber Technologies in multiple multi-patent disputes filed in the Eastern District of Texas.

• Represents Uber Technologies in multi-patent case filed in the Western District of Texas.  Obtained transfer to the Northern District of California based on mandamus order received from Court of Appeals for the Federal Circuit. 

• Represented Uber Technologies in multi-patent case in Western District of Texas.  Case settled after successful motion to dismiss.

• Represented Cisco in multi-patent case filed by Lionra in the Eastern District of Texas.  Obtained summary judgment of non-infringement before trial.

• Represented ArcelorMittal in the ITC regarding patents directed to steel manufacturing processes. 

• Represented Verizon in the Eastern District of Texas against General Access regarding patents directed to Wi-Fi and 5G technology.  Member of the trial team who obtained first-ever new trial order on all issues for a defendant before Judge Gilstrap in a $845 million claim.  Case settled favorably after first day of re-trial.

• Represented SharkNinja in multiple cases in the Eastern District of Texas, the District of Massachusetts, and the ITC against Dyson regarding patents directed to vacuum cleaners. Obtained very favorable settlement for our client on the eve of our ITC trial against Dyson.

• Represented Organon in a multi-patent dispute regarding contraceptive implant Nexplanon®.

• Represented Merck & Co./Intervet Inc. in multi-patent dispute against Boehringer Ingelheim Vetmedica, Inc. regarding immunogenic compositions that protect against a particular porcine virus.

• Represented Natera, Inc. against Illumina, Inc. in a multi-patent case regarding non-invasive prenatal testing through the use of DNA sequencing and analytic techniques.

Speaking engagements:

Moderator, Texas Is A Diverse State and Your Trial Team Should Be Too, 2022 Eastern District of Texas Bench Bar Conference

Moderator, Stadium Seating : The Visitor Section, 2024 Eastern District of Texas Bench Bar Conference

Introduction, AI: The Good, The Bad, and The Ugly, 2025 Eastern District of Texas Bench Bar Conference

Publications:

Preliminary Legal Opinion—A New Procedure to Make Civil Litigation More Efficient, Review of Litig. Law Journal (2021)

Aliya Zuberi is an associate in the New York office of Gibson Dunn. She currently practices in the firm’s Transactional Department.

Aliya received her Juris Doctor from Harvard Law School. She received a Bachelor of Arts in History, magna cum laude, from Barnard College.

Aliya is admitted to practice in the State of New York.

Storey Wanglee is an associate in the New York office of Gibson Dunn.

She graduated as a James Kent Scholar and Harlan Fiske Stone Scholar from Columbia Law School in 2024, where she served as Senior Editor and Mentorship Chair of the Columbia Law Review. Storey received her Bachelor of Arts in International Relations from the University of Pennsylvania in 2018.

She is admitted to practice in the State of New York.

Jasmine Vitug is an associate in the Orange County office of Gibson Dunn. She currently practices in the firm’s Transactional Department. Jasmine graduated magna cum laude from Loyola Law School, Los Angeles, where she was a Sayre MacNeil Scholar, elected to the Order of the Coif and a member of the St. Thomas More Law Honor Society. While in law school, she served as Chief Production Editor of the Loyola Law Review.

Prior to law school, Jasmine graduated magna cum laude from the University of San Diego, earning her Bachelor of Arts in Psychology and Bachelor of Arts in English.

She is admitted to practice in the State of California.

Pete Usher is an associate in the London office of Gibson Dunn and a member of the firm’s Mergers and Acquisitions Practice Group. He is currently on secondment.

Pete advises public and private companies on a range of domestic and cross-border transactions, including acquisitions, disposals, joint ventures, and reorganizations. He also provides general advice to corporate clients on company and commercial matters.

Select experience includes advising: *

• Goldman Sachs and Wellcome Trust on the £4.66 billion disposal of iQ Student Accommodation to Blackstone;
• TransDigm Group on its sale of Technical Airborne Components to Searchlight Capital Partners;
• Sun Communities on its acquisition of Park Holidays UK for $1.3 billion;
• Axion Biosystems on its acquisition of M-SOLV Manufacturing Limited;
• MARK Capital Management on the formation of its joint venture with HUB;
• Goldman Sachs on its acquisition of The Belfry Hotel & Resort;
• TransDigm Group on its acquisition of Cobham Aero Connectivity for $965 million;
• Loungers plc on its IPO.

Pete spent a year on secondment at Macquarie Asset Management, where he supported the MAM Real Assets legal team. Prior to joining Gibson Dunn, Pete worked in the London office of another major law firm.

*Some of these representations occurred prior to Peter’s association with Gibson Dunn.

Hadeel Tayeb is an associate in the Riyadh Transactional Department and M&A Practice Group of Gibson Dunn. Hadeel’s practice focuses on corporate law, advisory and regulatory. She regularly advises clients on various matters relating to government initiatives and projects.

Prior to joining Gibson Dunn, Hadeel was an associate based in the Jeddah office of an international law firm. She completed her law degree at Dar Alhekma University in 2018 before completing her master’s degree at Cambridge University in 2020. Hadeel is admitted to practice law in Saudi Arabia.
She is a native Arabic speaker and is also fluent in English.

Sebastian L. Fain is a partner in the New York office of Gibson Dunn and co-head of the Firm’s Cross Border M&A practice. His practice focuses on M&A, activism defense, and corporate governance. His experience is centered on domestic and cross-border M&A, including public company mergers, private equity acquisitions, joint ventures, complex business carve-outs and divestitures, hostile takeovers and defense, carve-out IPOs, spin-offs, and split-offs. Sebastian also counsels boards of directors and C-suites on the most important issues facing companies, such as activism defense, governance and disclosure issues and special committee representations. He also has extensive experience representing clients in complex commercial agreements and in capital markets transactions, such as IPOs, secondary offerings, block trades, high-yield bond offerings, and exchange offers.

Sebastian has been named as a Dealmaker of the Year and finalist for Corporate Lawyer of the Year by The American Lawyer and one of the Top 250 Lawyers in America by Forbes. In addition, he has been recognized as a Leading Lawyer for Corporate/M&A by, among others, Bloomberg 40 Under 40, Lawdragon, The Legal 500, IFLR1000, and as a Rising Star by the MCAA.

Sebastian also had essays, op-eds and articles published in The Financial Times, Reuters, Law360, The Recorder, The Deal, ABA Business Law, Harvard Law School Forum on Corporate Governance, Deal Lawyers, The M&A Journal, and Insights.

Sebastian is admitted to practice in the State of New York.

Experience:*

Healthcare:

• AstraZeneca on its:
  • $2.4 billion acquisition of Fusion Pharmaceuticals.
  • acquisition of Amolyt Pharma
  • $1.2 billion acquisition of Gracell Biotechnologies Inc.
  • $1.1 billion acquisition of Icosavax.
  • joint Research and Collaboration Agreement with Cellantics SA
  • acquisition of LogicBio® Therapeutics, Inc.
  • $39 billion acquisition of Alexion Pharmaceuticals.
• Merck on its $9.2 billion acquisition of Cidara Therapeutics.
• Jefferies as lead financial advisor to Ventyx Biosciences in its $1.2 billion sale to Lilly. 
• CK Life Sciences on its sale of Polynoma to TransCode Therapeutics.
• SERB Pharmaceuticals on its take-private of Y-mAbs Therapeutics, Inc.
• The founder and CEO of Babylon on its $4.2 billion business combination with SPAC Alkuri Global.
• Abbott Laboratories on its:
  • $25 billion acquisition of St. Jude Medical.
  • spin-off of AbbVie Inc.

Media and Technology:

• Universal Music Group on its:
  • majority Investment in Mavin Global.
  • spin-off from Vivendi SE and listing of 60% of its share capital on Euronext Amsterdam at a $40 billion valuation and concurrent sale of 10% of Vivendi’s holding in UMG to Pershing Square.
  • $3.36 billion sale of 10% of its equity by parent Vivendi to Tencent and related option for Tencent Music to acquire a piece of UMG’s China business.
• Committee of independent directors of the board of Qualtrics on the $12.5 billion all-cash sale of the company to a private equity consortium (the largest private equity transaction of the year).
• London Stock Exchange on its:
  • acquisition of AcadiaSoft.
  • acquisition of MayStreet.
• CarLotz on its sale to Shift Technologies.
• Cazoo on its $7 billion business combination with US SPAC AJAX I, including a concurrent $800m PIPE.
• Pivotal Acquisition Corp and its sponsor MGG Capital on its combination with KLDiscovery.
• Expedia on its $671 million sale of its majority interest in eLong to Ctrip and other investors.
• CBS on the $225 million sale of its international outdoor advertising business to affiliates of Platinum Equity.
• Alibaba on its $7.8 billion stock repurchase from Yahoo! and restructuring of Alipay with Yahoo! and Softbank.
• Promotora de Informaciones SA (PRISA) on its combination with Liberty Acquisition Holdings Corp. (at the time, the largest-ever SPAC deal).
• Polaris Acquisition Corp on its acquisition of Hughes Telematics.

Logistics and Transportation:

• Euronav NV on its successful defense against a proxy contest launched by minority shareholder CMB in opposition of Euronav’s $4.2 billion merger with Frontline.
• GXO Logistics on its:
  • recommended £762 million cash offer for Wincanton plc.
  • recommended $1.2 billion cash and share offer for Clipper Logistics.
• XPO Logistics on its:
  • $3 billion acquisition of Con-way.
  • $1.26 billion PIPE equity raise from Ontario Teachers’ Pension Plan, GIC – Singapore’s sovereign wealth fund, Public Sector Pension Investment Board, and 12 other institutional investors.
  • €3.24 billion acquisition of Norbert Dentressangle S.A.
  • $615 million acquisition of New Breed Holding Company.
  • $335 million acquisition of Pacer International.

Consumer:

• Japan Tobacco (JT) on its $2.4 billion acquisition of Vector Group Ltd., and its joint venture with Altria Group to market and commercialize heated tobacco stick (“HTS”) products in the United States.
• Verlinvest GroupS.A. in connection with a comprehensive financing by Oatly AB.
• Clever Leaves on its business combination with SPAC Schultze Special Purpose Acquisition Corp.
• Global Brands Group on its $1.38 billion sale of a significant part its North American business to Differential Brands Group.
• Starbucks Corporation on its $7.15 billion global coffee alliance with Nestlé.
• Sears on its:
  • $900 million sale of the Craftsman brand to Stanley Black & Decker.
  • formation of Seritage Growth Properties and entry into a $2.5 billion sale-leaseback for 254 stores.
  • spin-off Lands’ End.
  • sale of the Kmart brand in Australia and New Zealand to Wesfarmers.

Chemicals and Industrials:

• The Yokohama Rubber Company on its $905 million acquisition of the Goodyear Tire & Rubber Company’s off-the-road tire business.
• New Mountain Capital and portfolio company Aceto on its acquisition of Syntor Fine Chemicals.
• Airgas on its $13.4 billion sale to Air Liquide.
• United Technologies on its $3.46 billion sale of its Hamilton Sundstrand industrial products businesses to BC Partners and Carlyle.
• Berry Plastics Corporation and Apollo Management on the $561 million acquisition of Pliant Corporation pursuant to a Chapter 11 plan of reorganization.

Energy and Energy Transition:

• Ara Partners on its acquisition of a majority stake in USD Clean Fuels.
• Solvay on its joint venture with Orbia Group for the production of suspension-grade polyvinylidene fluoride (PVDF), creating the largest capacity for suspension-grade PVDF in North America.
• A major shareholder in ReNew Power on its $8 billion de-SPAC.
• Spectra Energy on its $28 billion merger of equals with Enbridge.
• Atlas Energy on its:
  • spin-off of its non-midstream assets, including its 100% GP interest and incentive distribution rights in its E&P subsidiary, Atlas Resource Partners.
  • $1.8 billion merger with Atlas Energy Resources.
  • sale to Targa Resources Corp. for $1.9 billion in cash and stock.
• Sunoco on its $5.3 billion sale to Energy Transfer Partners.

Financial Institutions:

• London Stock Exchange on its:
  • acquisition of AcadiaSoft.
  • acquisition of MayStreet.
• BGC Partners and GFI Group on the $650 million sale of GFI’s Trayport business to Intercontinental Exchange.
• Nasdaq on its $1.1 billion acquisition of International Securities Exchange from Deutsche Börse AG.
• NYSE Euronext on its:
  • merger with the Intercontinental Exchange.
  • $23.4 billion agreed merger with Deutsche Börse and defense of unsolicited bid from Nasdaq Group and Intercontinental Exchange.

*Includes representations prior to Sebastian’s association with Gibson Dunn.

Sam Shapiro is an associate in the Orange County office of Gibson Dunn. He currently practices in the firm’s Transactional Department. He focuses his corporate practice on venture capital financings, mergers and acquisitions, and general corporate counseling, with extensive experience advising on investments in the tech and life science industries.

Sam earned his law degree from the UCLA School of Law, where he served as an editor for the UCLA Law Review and was elected to the Order of the Coif. While in law school, he served as a judicial extern to the Honorable Larry Alan Burns of the US District Court for the Southern District of California. Prior to law school, Sam graduated with Honors with Distinction from UC San Diego, earning a Bachelor of Arts degree in Economics.

Sam is a contributor to Gibson Dunn’s Biotech Briefings blog, and you can view his articles here.

Sam is admitted to practice in the State of California.

Kiel Sauerman is an associate in the Dallas office of Gibson Dunn where he currently practices in the firm’s Transactional Department. His practice focuses on corporate and securities transactions, including mergers and acquisitions, private equity investments and securities regulation and corporate governance.

Kiel graduated, cum laude, from Cornell University Law School in 2018, receiving the CALI Excellence for the Future Awards in Patent Law and Advanced Issues in Mediation. He received his B.A. in English Literature with an emphasis on Renaissance Prose and Poetry from Florida State University in 2007.

Prior to law school, Kiel served in the United States Navy for six years as a nuclear reactor operator onboard the USS Ronald Reagan, a nuclear aircraft carrier in the Pacific Fleet.

Kiel is admitted to the State Bar of Texas.

Experience

• Counsel to CenterOak Partners LLC in its acquisitions and divestitures of numerous businesses, including Cascade Windows, Wetzels Pretzels, Aakash Chemicals, Full-Speed Automotive, SurfacePrep, Hometown Services, CollisionRight and Service Champions
• Counsel to Satori Capital in its minority investment in Torani, the flavor company
• Counsel to Arcosa, Inc. in its acquisition of Cherry Industries, a provider of infrastructure-related products and solutions
• Counsel to Quad-C Management in divestiture of Compassion First, a veterinary services organization, to JAB Holdings
• Counsel to Kimberly-Clark Corporation in its acquisition of Softex Indonesia, a leader in the fast-growing Indonesian personal care market, for approximately $1.2 billion from a group of shareholders including CVC Capital Partners Asia Pacific IV
• Counsel to BofA Merrill Lynch, Citigroup, Goldman, Sachs & Co. and Morgan Stanley in offerings of senior notes by Pioneer Natural Resources Company

John Martin Weed is an associate in the Washington D.C. office of Gibson Dunn.

John Martin earned his Juris Doctor, cum laude, from Harvard Law School, where he served as a Notes Editor on the Harvard Law Review. He received a Bachelor of Arts, summa cum laude, from the University of Alabama.

He is admitted to practice law in the District of Columbia.

Advait Ramanan is an associate in the San Francisco office of Gibson Dunn. He is a member of the firm’s Privacy, Cybersecurity, and Data Innovation, Artificial Intelligence, Intellectual Property, and Mergers & Acquisitions Practice Groups. His practice focuses on advising companies on technology-driven matters, including strategic product counseling, data governance and regulatory compliance, and complex commercial transactions.

Advait earned his Juris Doctor from the University of Michigan Law School, where he served as an Associate Editor of the Michigan Business & Entrepreneurial Law Review and worked as a student attorney in the Entrepreneurship Clinic, advising emerging companies on business formation, technology commercialization, and regulatory issues. During law school, he was Co-President of the American Constitution Society and the South Asian Law Students Association.

Advait received his Bachelor of Arts, cum laude, from the University of Georgia, where he majored in Political Science. As an undergraduate, he served as Vice President of the Georgia Debate Union and was a champion of the American Debate Association National Championship and the Dartmouth Round Robin.

Advait is admitted to practice law in the State of California.

Alison Pereira Martins is an associate in the Paris office of Gibson Dunn and a member of the Mergers and Acquisitions and Private Equity Practice Groups.

She specializes in corporate and commercial law, handling public and private mergers and acquisitions, along with private equity matters. Alison provides counsel to a diverse range of companies, both private and public, spanning various sectors and advises funds involved in French or international strategic investments, joint ventures and divestments. Her experience includes addressing diverse corporate matters, such as stocks and assets transactions and shareholders agreements.

Prior to joining Gibson Dunn in 2024, Alison practiced corporate law and mergers and acquisitions in an international French law firm.

Admitted to the Paris bar in 2023, she graduated from University Paris II – Panthéon Assas in Business and Tax Law in 2020 and in Business law in 2019.

Alison speaks French, Portuguese and English fluently.

Mostafa Mabrouk is an England and Wales qualified associate in the Dubai office of Gibson Dunn. He is a member of the Mergers and Acquisitions Practice Group.

Mostafa completed a Bachelor of Politics, Philosophy and Law (LLB) from King’s College London University and successfully completed the Legal Practice Course (Solicitors) with BPP University (London).

He is also admitted to the Egyptian Bar Association and is fluent in English, Arabic and French.