William F. Edwards, vice president and chief financial officer of Questar Corp., has been promoted to senior vice president, but he also will continue as chief financial officer. The promotion was approved by the board of directors.

Edwards graduated from the University of Utah and has a master's degree in business administration from Northwestern University. He worked for the accounting firm of Arthur Anderson & Co. before joining Questar's subsidiary, Mountain Fuel Supply Co., in 1975.Questar is an integrated energy company headquartered in Salt Lake City, involved in oil and gas exploration and production, interstate natural gas transmission and retail natural gas distribution.