Mark is the CEO of OPRSystems, Inc., which he co-founded in 1989. The company has grown into one of the largest independent commercial recyclers in New England, operating a 76,000-square-foot facility in Wilmington.

In 2003, he also co-founded Waste Focus LLC, now part of Lincoln Waste Solutions (since 2024). The company is a leader in the waste minimization industry, managing trash and recycling services for thousands of facilities across the United States.

Mark has been actively involved with the Massachusetts Fiscal Alliance since 2012 as one of its early members. He served as Treasurer before becoming Chairman, a role he held from 2017 to 2023.

Originally from the suburbs of Washington, D.C., Mark graduated from Cornell University in 1982 and earned his MBA from Harvard Business School in 1986. He and his wife have three children and reside in Concord.