Sean Feller is a partner in Gibson Dunn's Century City office. He serves as Co-Chair of the firm's Executive Compensation and Employee Benefits Practice Group. His practice focuses on all aspects executive compensation and employee benefits. His practice encompasses tax, ERISA, accounting, corporate, and securities law aspects of equity and other incentive compensation plans; qualified and nonqualified retirement and deferred compensation plans and executive employment and severance arrangements. Sean has been recognized by his peers as one of The Best Lawyers in America in the area of Employee Benefits (ERISA) Law. He is ranked in Band 1 by Chambers USA in Los Angeles in the area of Employee Benefits and Executive Compensation.

Sean's practice has focused on:

  • Designing and negotiating executive and director compensation arrangements
  • Designing and implementing stock and other incentive plans
  • Designing, implementing and advising clients on deferred compensation plans, 401(k) plans and ESOPs, SERPs and tax-qualified defined benefit pension plans, as well as health and welfare plans and other types of fringe benefits
  • Advising public company clients on securities law compliance involving a comprehensive range of compensation plans
  • Advising public company clients on securities law disclosure requirements involving executive and director compensation
  • Advising companies, boards and management teams on compensation and benefits in mergers and acquisitions

Representative Experience:

  • Advised 89bio, a clinical-stage biopharmaceutical company, on its $3.5 billion sale to Roche Holdings
  • Advised Aris Water Solutions, a leading, growth-oriented environmental infrastructure and solutions company, in connection with its $2 billion acquisition by Western Midstream Partners
  • Advised Aurora Capital Partners and FMG Suite on the sale of FMG Suite, one of the largest providers of advisor-led marketing automation software used by financial advisors and insurance professionals, to GTCR
  • Advised Race Rock, a nationwide infrastructure solutions leader, in its acquisition of Spitzer Industries, a long-standing provider of engineered equipment and modular solutions for energy and industrial markets
  • Advised Rehlko, an energy resilience provider and Platinum Equity portfolio company, on the $1 billion sale of its Curtis Instruments business to Parker Hannifin, a motion and control technologies provider
  • Advised Platinum Equity and its portfolio company, Solenis LLC, a global provider of water and hygiene solutions, on Solenis' agreement to acquire NCH Corporation, a leader and trusted on-site expert in middle-market water treatment and industrial solutions
  • Advised Polymarket, the world's largest prediction market, on its acquisition of QCEX, a CFTC-regulated exchange and clearinghouse, paving the way for Polymarket's return to U.S. operations after a several-year hiatus
  • Advised XOMA Royalty Corporation, a publicly traded biotech royalty aggregator, on its sale to Ligand Pharmaceuticals, on its acquisition of Generation Bio Co., and on its acquisition of HilleVax
  • Advised Western Digital and Sandisk on equity compensation-related issues in connection with the spinoff of Sandisk from Western Digital

Sean received his law degree from Columbia Law School in 2000. He earned a Bachelor of Science from Cornell University in 1997. He is admitted to practice in the States of New York and California.

Capabilities

Credentials

Education:
  • Columbia University - 2000 Juris Doctor
  • Cornell University - 1997 Bachelor of Science
Admissions:
  • California Bar
  • New York Bar