Boardminder

    Robert J. Kostelnik

    1 board
    Needs Review
    As of 8/31/2026

    0.38

    Boardminder Score™

    Top 14% of 4,262 directors

    Lower scoreHigher score

    15.7

    Avg Tenure (yrs)

    Shorter tenure than 13% of directors

    ShorterLonger

    $170K

    Total Compensation

    Lower than 15% of 3,007 one-seat directors

    LowerHigher
    Board Seats Breakdown
    HF Sinclair Corporation
    DINO
    F500 #164
    Director
    Needs Review
    Seat Score
    0.38
    Tenure
    15.7 yrs
    Compensation
    $170K
    Excess Return
    +120.1%