Per the ACEC Indiana ByLaws:

The Board of Directors shall have supervision, control and direction of the affairs of the Corporation, shall determine its policies or changes therein within the limits of the by-laws, shall actively pursue its purposes and shall have the discretion in the disbursement of its funds. It may adopt such rules and regulations for the conduct of its business as shall be deemed advisable, and may, in the execution of the powers granted, appoint such agents as it may consider necessary.

Directors
There shall be fifteen (15) members of the Board of Directors, fourteen (14) of whom shall be Active Members and one (1) of whom shall be an Associate Member.  The current Vice-President/Treasurer shall act as the National Director and the Secretary shall act as alternate National Director. 

Advisors
The Board of Directors may appoint a General Counsel and other advisors as deemed necessary. These shall be non-voting positions.

Terms
Each year there shall be elected by ballot for a term of three (3) years to replace the Directors whose terms are expiring. Any Director shall be eligible for re-election. Directors shall, at the first Board Meeting after the Annual Meeting or on July 1 whichever is sooner, immediately enter upon the performance of their duties and shall continue in office until their successors are duly elected and qualified or unless they resign, are removed, or are otherwise unable to fulfill their term. The Vice President/National Director shall serve for a one year term, and the Secretary shall serve a one year term as Alternate National Director. The Alternate National Director will become National Director at the beginning of the following term when the individual is serving as Vice President.