S.C. Code Ann. § 31-13-40: Organization; executive director.

As soon as possible after their appointment, the commissioners shall organize for the transaction of business by choosing a vice-chairman and by adopting bylaws and rules and regulations suitable to the purpose of organizing the Authority and conducting the business thereof. The commissioners shall appoint an executive director, who shall serve at the pleasure of the Authority, and such other officers and employees as they may require for the performance of their duties and shall prescribe the duties and compensation of each officer and employee.