Boardminder

    Mark A. McCollum

    2 boards
    Materials
    As of 8/31/2026

    0.33

    Boardminder Score™

    Bottom 44% of 4,262 directors

    Lower scoreHigher score

    4.5

    Avg Tenure (yrs)

    Shorter tenure than 72% of directors

    ShorterLonger

    $149K

    Total Compensation

    Lower than 70% of 430 2-seat directors

    LowerHigher
    Board Seats Breakdown
    Westlake Corporation
    WLK
    F500 #379
    Director
    Materials
    Seat Score
    0.36
    Tenure
    8.3 yrs
    Compensation
    $149K
    Excess Return
    -114.5%
    ONEOK, Inc.
    OKE
    F500 #135
    Director
    Utilities
    Seat Score
    0.30
    Tenure
    0.6 yrs
    Compensation
    —
    Excess Return
    +10.8%