Dennis Seifarth is a partner in the Munich office of Gibson Dunn. He is a member of the firm’s Private Equity, Mergers and Acquisitions and Energy and Infrastructure Practice Groups.
Dennis advises strategic and financial investors on mergers and acquisitions with a particular focus on private equity transactions. His experience includes complex domestic and cross-border corporate, M&A and Private Equity matters, including energy transition and infrastructure, sponsor-led acquisitions and dispositions, carve-outs, joint ventures, portfolio acquisitions, minority, and growth equity investments. He regularly represents private equity sponsors, portfolio companies, and management teams throughout all stages of the investment lifecycle, from structuring and negotiation through execution and exit across a broad range of industries.
Dennis is recommended by The Legal 500 Deutschland 2026 for corporate law. In the 2025 edition, clients recognized him as “[...] ambitious, energetic, motivated […]! Very intelligent and pays attention to detail, quick and competent answers.” IFLR1000 listed him as Rising Star 2024 in the categories M&A and Private Equity in Germany.
Experience
Representative transactions* include advising:
- Astorg on the acquisition of hg medical from Nord Holding
- Triton on the acquisition of Arrowhead Industries
- Triton on the sale of Norres Group
- Advent International and Centerbridge on the public tender offer for Aareal Bank AG
- Triton on the sale of Meine Radiologie Holding to EQT Infrastructure
- Triton on its acquisition of a majority stake of Inwerk GmbH
- Gilead Sciences, Inc. on its acquisition of MYR GmbH (approx. €1.15 billion plus up to €300 million milestone payment, named Deal of the Month by JUVE, February 2021)
- CENTROTEC SE on the acquisition of all shares of PARI Group
- Heska Corporation on the acquisition of scil animal care GmbH, a veterinary point of care laboratory and imaging diagnostics leader, from Covetrus, Inc.
- Triton on its acquisition of Lamina Technologies SA
- Advent International on its US$3.25 billion acquisition of Distributed Power Business from GE
- Schoeller on the partnering with Brookfield
- LGT on financing round in aviation start-up Lilium
- ProSiebenSat.1 on partnership with General Atlantic for NuCom
- Philipp Lahm Holding on investment in Schneekoppe
- ProSiebenSat.1 on acquisition of majority stake in Jochen Schweizer GmbH
- Qatar Solar Technologies on insolvency of SolarWorld and acquisition of SolarWorld’s assets
- ProSiebenSat.1 on acquisition of majority stake in Virtual Minds
- PAI Partners and Goldman Sachs on sale of Xella
- General Atlantic on investment in FlixBus and merger of Mein Fernbus with FlixBus
- Advise on sale of mytheresa.com to Neiman Marcus Group
- Goldman Sachs on acquisition of Flint Group in partnership with Koch Industries
- RHJ International on the Acquisition of BHF-Bank AG from Deutsche Bank
Prior to joining Gibson Dunn, he worked in the Munich office of a renowned U.S. law firm.
He studied law at the Friedrich Schiller University Jena, from which he also received his doctor’s degree in 2015. Dennis has been admitted as a German lawyer (Rechtsanwalt) since 2013.
Dennis speaks fluent German and English.
*Includes Experience Prior To Joining Gibson Dunn
Capabilities
Credentials
Education:
- Friedrich Schiller University Jena - 2015 Dr. jur.
- Friedrich Schiller University Jena - 2008 Law Degree
Admissions:
- Germany - Rechtsanwalt