John Hartung has joined EY as a Houston-based oil and gas principal. He will also serve as Americas Oil & Gas Leader for Parthenon-EY, part of EY’s global Transaction Advisory Services practice.
Hartung joins EY from global consultancy Boston Consulting Group. Over the past 16 years, he has served in partner roles and been actively involved in the energy practices at both the Boston Consulting Group and McKinsey & Company. His primary expertise resides in the downstream segment of the oil and gas industry, but he has served clients on strategy and functional topics across the value chain including upstream, midstream, and commercial and trading operations. Hartung began his career at Mobil and ExxonMobil where he spent 10 years in a number of strategy and management roles.