Sec. 10. (a) The nine (9) members of a development authority shall be appointed as follows:
(1) Two (2) members shall be appointed by the county executive of Greene County.
(2) Two (2) members shall be appointed by the county executive of Lawrence County.
(3) Two (2) members shall be appointed by the county executive of Martin County.
(4) One (1) member shall be appointed by the county executive of Daviess County.
(5) One (1) member shall be appointed by the county executive of Monroe County.
(6) One (1) member shall be appointed by the county executive of Orange County.