Mark retired from the U.S. Navy at the rank of Rear Admiral in 2014 after a 31 year career that included more than 7 years of active duty and over 23 years of service in the Navy Reserve. A business and logistics specialist in the Navy Supply Corps, Mark’s flag level assignments included duty as Commander, Navy Expeditionary Logistics Support Group and Deputy Commander, Naval Supply Systems Command. He was mobilized to active duty in 2009 to the U.S. embassy in Baghdad where he served as the Multi-National Force senior liaison to the Republic of Iraq Ministries of Oil and Electricity. Mark serves as the county representative on the Maryland Commission on Climate Change.
Mark’s civilian career has included a variety of local and state government leadership positions. He served on the Board of Education and the elected Board of County Commissioners in Queen Anne’s County, Maryland. He has served as chief administrative officer of three counties within the Chesapeake Bay Watershed. His non-profit organization experience includes serving as executive director for the nonprofit Pride of Baltimore, Inc.
In February 2015 he was appointed by Governor Larry Hogan as Secretary, Maryland Department of Natural Resources where he oversaw Maryland’s park system and public lands, managed the state’s wildlife and fish species, and led efforts to improve the health and enjoyment of Chesapeake Bay. In January 2019, the Board of County Commissioners of Charles County, Maryland appointed Mark as Charles County’s Chief Administrative Officer.
Mark majored in political science at the United States Naval Academy and graduated in 1983. He holds an MBA degree from Regis University.