Mark is responsible for formulating and implementing the company's environmental sustainability strategy, with emphasis on implementing programs and policies to achieve objectives in areas such as reducing greenhouse gas emissions, executing energy efficiency and renewable energy projects, conserving water, increasing waste diversion, growing Regency's EV charging stations program, developing a green building program, managing energy procurement, and evolving our climate change resiliency strategy. He has also served as a Regional Property Manager, leading the Colorado property management team and responsible for operating and maintaining 18 shopping centers totaling approximately 1.9M SF of GLA in the Denver metropolitan area, including Boulder, Greeley, and Colorado Springs.
 
Previously, Mark worked for Forest City Enterprises, where he managed the development of the company's retail portfolio in Denver, including the first open-air lifestyle center to achieve LEED certification. Mark is is a member of NAREIT's Real Estate Sustainability Council and Real Estate Roundtable Sustainability Policy Advisory Council. He has served as a member of the U.S. Green Building Council's LEED for Retail Committee and ICSC's Environmental Committee.

He holds a Master of Business Administration with a concentration in real estate, a Master of Science, and a Bachelor of Arts in environmental studies from the University of Colorado in Boulder. 

Outside of work, Mark spends as much time as possible in the outdoors with his two children, doing activities such as skiing, biking (road and mountain), fly fishing, and camping.