Boardminder

    Jean-Marc Gilson

    2 boards
    Materials
    As of 8/31/2026

    0.24

    Boardminder Score™

    Bottom 9% of 4,262 directors

    Lower scoreHigher score

    0.6

    Avg Tenure (yrs)

    Shorter tenure than 99% of directors

    ShorterLonger

    —

    Total Compensation

    Board Seats Breakdown
    Corteva, Inc.
    CTVA
    F500 #248
    Director
    Needs Review
    Seat Score
    —
    Tenure
    —
    Compensation
    —
    Excess Return
    —
    Westlake Corporation
    WLK
    F500 #379
    President and Chief Executive Officer; Director
    Materials
    Seat Score
    0.24
    Tenure
    0.6 yrs
    Compensation
    —
    Excess Return
    -21.1%