GREENWICH, CT
Total Insiders
23
Active leadership & owners
Board Directors
15
Governing body
Corporate Officers
8
Executive management
10%+ Owners
3
Major shareholders
Active Insiders
23
Currently serving
Former Insiders
0
Past roles
| Name & Role | Position | Tenure | Holdings |
|---|---|---|---|
BERKLEY WILLIAM R DirectorOfficer10% Owner | Executive Chairman | Since Aug 2018 | — |
MITSUI SUMITOMO INSURANCE CO LTD 10% Owner | — | Since Mar 2026 | — |
MS&AD INSURANCE GROUP HOLDINGS, INC. 10% Owner | — | Since Mar 2026 | — |
AUGOSTINI CHRISTOPHER L Director | — | Since Feb 2019 | — |
BERKLEY WILLIAM R JR DirectorOfficer | President and CEO | Since Aug 2018 | — |
BLAYLOCK RONALD E Director | — | Since Jun 2019 | — |
BROCKBANK MARK ELLWOOD Director | — | Since Jul 2018 | — |
CARRIER ANDREW Director | — | Since Jun 2026 | — |
FARRELL MARY C Director | — | Since Jun 2019 | — |
FERRE MARIA LUISA Director | — | Since Jun 2019 | — |