Senior Vice President - Chief Operating Officer
Greg Harrison joined Citation in 2020 bringing 35 years of oil & gas experience across a broad spectrum of roles, play types and regions. Starting as a Reservoir Engineer in the Rockies, Greg spent 20 years with Unocal in Operations, Projects, Technical and Management roles in their onshore, offshore, U.S. and SE Asia assets. After Unocal’s acquisition by Chevron, he moved to Oxy as Chief of Production Operations worldwide from 2007 to 2010 before managing Oxy’s Bakken assets from 2011 to 2015. In 2015 Greg joined Santos Oil & Gas (Australia) where he held a variety of leadership roles, most recently as Vice President of Onshore Operations before returning to the U.S. with Citation. Greg has a B.S. in Petroleum Engineering from Missouri S&T (Rolla) and is a licensed professional engineer.