(a) There is established a Board of Dietetics and Nutrition to consist of 3 members appointed by the Mayor. (b) The Board shall regulate the practice of dietetics and nutrition. (c) Of the members of the Board, 1 shall be a licensed dietitian, 1 shall be a licensed nutritionist who is not a dietitian, and 1 shall be a consumer member. (d) Except as provided in subsection (e) of this section, members of the Board shall be appointed for terms of 3 years. (e) Of the members initially appointed under this section, 1 shall be appointed for a term of 1 year, 1 shall be appointed for a term of 2 years, and 1 shall be appointed for a term of 3 years.