Mark Sartain

Mark D. Sartain is Vice President, Nuclear Engineering and Fleet Support.

His organization is responsible for all facets of engineering support of the Dominion Energy fleet of seven operating reactors; corporate regulatory affairs including nuclear licensing, emergency preparedness and NERC compliance; and the Subsequent License Renewal project team. He also serves as vice chairman of the Dominion Energy Nuclear offsite safety review committee.

Sartain began his career at Dominion Energy as a mechanical design engineer at Virginia Power in 1981. Over the years, he has held numerous leadership positions, including supervisor–Civil/Mechanical Design Engineering at North Anna Power Station; manager–North Anna Site  Engineering; director–Nuclear Safety & Licensing at North Anna; director–Corporate Nuclear Engineering; and director–Nuclear Engineering at Millstone Power Station. In 2012, he became director-in-charge of Nuclear Support Services, responsible for nuclear security, emergency preparedness, training and licensing for the nuclear fleet. In 2013, he became director–Corporate Excellence Support & Oversight (Millstone) at Innsbrook. He was promoted to vice president–Nuclear Engineering in 2014 and assumed his current post in 2017.

Sartain received a bachelor's degree in mechanical engineering from the University of Maryland. He is a member of the American Society of Mechanical Engineers and the American Nuclear Society, and a registered professional engineer in Virginia. He received a Senior Reactor Operator Certification at North Anna in 2002. He also serves as a board member of the non-profit National Energy Education Development (NEED) Project, which promotes energy education for students and teachers across the U.S.