Michael J. O'Sullivan was named Senior Vice President and General Counsel of Berkshire Hathaway on December 11, 2025, according to an SEC filing.
| Name | Michael J. O'Sullivan |
|---|---|
| Role | Senior Vice President and General Counsel |
| Company | Berkshire Hathaway |
| Industry | Conglomerate |
| Location | Omaha, NE |
| Move | Appointment |
| Date | December 11, 2025 |
| Source | an SEC filing |
Berkshire Hathaway appointed Michael J. O’Sullivan as Senior Vice President and General Counsel effective January 1, 2026. He joins from Snap Inc., where he had been general counsel since 2017. (Source: an SEC filing.)
Who is the Senior Vice President and General Counsel of Berkshire Hathaway?
Michael J. O'Sullivan took the Senior Vice President and General Counsel role at Berkshire Hathaway in December 2025, as reported by an SEC filing. Legal leadership changes often, so check Berkshire Hathaway’s own leadership page for the latest. If you know of a newer move, tell us and we will update the directory.
Other general counsel moves in December 2025
- Mark Solls Steps Down as Executive Vice President, Chief Legal Officer and Secretary of Invitation Homes (December 31, 2025)
- Abby Jackson Named Chief Compliance Officer of Children’s Mercy Kansas City (December 30, 2025)
- Amy Smedley Named Executive Vice President, General Counsel & Secretary of Huntsman Corporation (December 30, 2025)
- Anthony Green Steps Down as Chief Legal Officer, Chief Corporate Officer and Secretary of Annaly Capital Management (December 29, 2025)
- Arthur R. McGivern Named Executive Vice President and General Counsel of Royalty Pharma (December 22, 2025)
- Caroline Pham Named Chief Legal Officer of MoonPay (December 19, 2025)
- Richard G. Erstad Steps Down as Vice President, General Counsel and Secretary of Hawkins, Inc. (December 19, 2025)
- Rachel R. Eslicker Named Senior Vice President, General Counsel and Secretary of Comfort Systems USA (December 19, 2025)
Planning your own next move?
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Source: an SEC filing. InhouseBlog summarizes publicly reported general counsel moves and links to the original report.
Does this information need updating? Email us at info@inhouseblog.com.