Best practices suggest that board directors shouldn't serve on more than two committees in the interest of being committed and effective. The larger the board, the more committees it may want to have to ensure that all board members can serve on a committee in a meaningful way.Managing a board and committees is no easy task. Board committees are standing committees that are subsidiaries of the board of directors. These are primarily composed of members of the board. We document and analyze board committee structures utilizing a novel dataset containing full board committee membership for over 6,000 firms.