Roger B. Pinnock, president of Pinnock, Robbins & Posey, has been elected president of the Utah Association of Certified Public Accountants for 1988-89.

Serving as president-elect will be Milton H. Thackeray, vice president in charge of governmental services for the Salt Lake office of Peat Marwick Main & Co.Reed E. Pew, controller and chief financial officer for Auto-Simulations Inc., Bountiful, is vice president; Steven R. Green, controller at the Franklin Institute Inc., continues as the association secretary; and Duane C. Karren, managing partner with Karren Hendrix & Associates, is the new treasurer.