Md. Code, State Government § 2–1101

(a) When the General Assembly is not in session, any decision that relates to or affects a member of a committee of the General Assembly shall be made:

(1) as to a Senate member, by the President; and

(2) as to a House member, by the Speaker.

(b) The responsibilities of the President and the Speaker under this section include:

(1) appointing members of committees;

(2) appointing officers of committees; and

(3) setting the dates, times, and places for committee meetings.