BIOGEN INC.

BIIB · Manufacturing
10
Directors
63
Avg Age
6.3
Avg Tenure (yrs)
90%
Independent
Independent Non-independent Near rotation

Governance Policies

No Mandatory Retirement Age No Term Limits

Board Members

MF
Maria C. Freire Chair
CV
Christopher A. Viehbacher Director

2 directors with 10+ years of tenure.

...and 8 more directors

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Source: SEC DEF 14A proxy statement filed 2026-04-28. Data extracted and structured by FindABoardSeat.