The HMA Board of Directors is composed of a minimum of 7 members and a maximum of 11 members. Up to two Associate Members can serve on the board.

When there are openings on the board, Full Members and Associate Members can apply to the board of directors at any time to serve as a board member. When the board is at maximum membership new board members can be elected at the Annual General Meeting.

The Chair, Vice-Chair and Treasurer are elected by fellow board members and serve a 2-year term. Executive positions can be held for up to 2 terms. Board Members hold their position for a 2-year term for a maximum of 4 terms.