Mark Vanderhelm

Vice President, Walmart Energy

Joining Walmart in 2015 as Vice President of Energy, Mark Vanderhelm leads the team supporting Walmart U.S., including Retail Energy, Energy Regulation and Management, Energy Services and Energy Development.  He oversees the company’s national commitment to energy efficiency, renewable energy, and recycling.


Mark joins the company from Exelon Generation, LLC in Kennett Square, Pennsylvania, where he managed Generation and Renewables Development. In this role, Mark led the team responsible for developing new generation projects (gas, solar, biomass, storage and hydro) and investing in new electricity-based technologies throughout the U.S. and Canada. In previous roles, he led business development for the retail team, as well as the wholesale origination team focused on the Southern U.S.  Throughout these roles, Mark directed due diligence and negotiation for key growth projects for the organization.


Mark holds a Bachelor’s Degree in Mechanical Engineering from University of Texas. He went on to earn a Master’s Degree and Doctorate in Nuclear Engineering from MIT, where he co-directed the Institute of Nuclear Power Operations’ Reactor Technology Course for Utility Executives.