![Michael O'Sullivan](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Michael O'Sullivan
Consigliere Generale presso
BERKSHIRE HATHAWAY INC.
Patrimonio netto: 11 M $ in data 30/06/2026
Profilo
Michael J.
O'Sullivan is currently Principal at Munger, Tolles & Olson LLP and General Counsel & Senior Vice President at Berkshire Hathaway, Inc. Formerly, Mr. O'Sullivan was Secretary & General Counsel at Snap, Inc. from 2017 to 2025.
Education includes an undergraduate degree from the University of Pennsylvania in 1987 and a graduate degree from the University of Southern California Gould School of Law.
Partecipazioni note in società pubbliche
| Società | Data | Numero di azioni | Valutazione | Data di valutazione |
|---|---|---|---|---|
SNAP, INC. CLASS A 0,17% | 31/12/2025 | 2.345.436 ( 0,17% ) | 10 M $ | 30/06/2026 |
| 06/05/2026 | 663 ( 0% ) | 331 759 $ | 30/06/2026 |
Posizioni attive di Michael O'Sullivan
| Società | Posizione | Inizio |
|---|---|---|
| BERKSHIRE HATHAWAY INC. | Consigliere Generale | 01/01/2026 |
Munger, Tolles & Olson LLP
 Munger, Tolles & Olson LLP Miscellaneous Commercial ServicesCommercial Services Provides legal services | Corporate Officer/Principal | - |
Precedenti posizioni note di Michael O'Sullivan
| Società | Posizione | Fine |
|---|---|---|
| SNAP INC. | Consigliere Generale | 31/12/2025 |
Formazione di Michael O'Sullivan
Esperienze
Posizioni ricoperte
Attive
Inattive
Società nel listino
Aziende private
Relazioni
97
Relazioni di 1° grado
5
Aziende connesse in 1º grado
Uomo
Donna
Amministratori
Dirigenti
Società collegate
| Aziende private | 5 |
|---|---|
Berkshire Hathaway, Inc.
 Berkshire Hathaway, Inc. Property/Casualty InsuranceFinance Operates as a holding company which offers insurance, rail transportation and energy generation & distribution services | Finance |
Munger, Tolles & Olson LLP
Munger, Tolles & Olson LLP Miscellaneous Commercial ServicesCommercial Services Provides legal services | Commercial Services |
University of Pennsylvania
 University of Pennsylvania Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Snap, Inc.
 Snap, Inc. Packaged SoftwareTechnology Services Develops text and photo based messaging application for mobile phones | Technology Services |
University of Southern California Gould School of Law
 University of Southern California Gould School of Law Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
