Mark is the President & Chief Executive Officer of Apex Clean Energy. He leads the Apex team and the execution of corporate strategy. He has direct responsibility for project development, construction and engineering, resource assessment, technology, procurement, and asset management. Prior to joining Apex, Mark was a director at Horizon Wind Energy with broad responsibilities in project execution and technology, as well as the lead commercial negotiator for all turbine supply, installation, operations, and maintenance agreements. Prior to Horizon, Mark worked for the wind turbine manufacturer Vestas as sales manager for North America. Mark is a former naval officer and helicopter pilot. He holds a Bachelor of Science in aerospace engineering from the U.S. Naval Academy and a Master of Business Administration from the Kellogg Graduate School of Management.