Mark earned a B.A. in Business Administration from the University of Vermont and attended graduate school at the University of Colorado where he studied business administration. He began his business career in 1975 after he joined the family business, Con-Lux Coatings, Inc., a manufacturer of low VOC paints and coatings. After he sold the company to Sherwin Williams in 1995, he founded Solid Wood Construction, LLC, a general contracting company specializing in green construction and historic renovation using salvaged and recycled materials. Solid Wood Construction served as the general contractor for both of Willow’s LEED certified classroom buildings. As founder of Sustainable Growth Technologies, a green building and design company, Mark continues to play an active role in efforts to help businesses, educational institutions, and individuals design and implement strategies that reflect the principles of sustainability and place, using integrated processes.