The answer depends on the constitution of the organisation. The chair may be appointed, may be elected in an open vote or by secret ballot of some or all members. There mat be a minimum number (quorum) required.
Get appointed to a committee. Sooner or later you will be chosen as the chair of the committee, and voila!
the committee chair
the committee chair
the committee chair
a chair
I will assume that cimmitteis is a misspelling of committees. The chair of a committee is the head of the committee and facilitates its meetings.
This should be dealt with in the Association's Constitution. There are countless examples on line. The Chair, along with the other Officers and Committee are chosen at the Annual General Meeting.
A Chairperson?
California.
Chair.
They are chosen by the leaders of the house and senate.
Committee chairmen are chosen based on seniority, expertise, and party affiliation in the U.S. Congress. In general, the majority party in Congress selects committee chairmen, usually based on recommendations from party leaders. Chairmanships can also be influenced by internal committee rules and traditions.