Frontier Oil appoints EVP and CFO
Mr Aron has served as vice president of corporate finance for Frontier since 2005 and prior to that as director of investor relations since 2001. Frontier has also announced the promotion of Nancy Zupan to vice president and chief accounting officer. Ms Zupan has worked for Frontier in positions of increasing responsibility since 1977, most recently serving as the company's vice president and controller. Mike Jennings, Frontier's president and CEO-elect, said: "We are extremely fortunate to have Doug and Nancy in these positions, and I congratulate each of them on their appointments. Having worked closely with both individuals through the past few years, I have developed great respect for their talents and am pleased that Frontier could accomplish this succession internally and with such high quality candidates."