Mark joined the RETTEW team in 1989 as a project engineer, later becoming President in 2004 and CEO in 2015. Today he is responsible for the company’s overall financial health, government relations, strategic pursuits and acquisitions, and the administrative side of the business. He is known for his accessibility to everyone and his open door policy. Mark promotes financial stewardship, loves to review metrics, and shows a genuine interest in employees’ lives.