Matthew E. Mullen, P.E., LEED, A.P.

Vice President, Engineering & Design

Value Delivered

Matt joined NEMSI in 2002 and is responsible for developing business opportunities, providing engineering support for all operating divisions, and promoting NEMSI through industry associations and new business relationships.


Matt came to NEMSI from TRANE’s Connecticut sales office where he was the Director of Performance Contracting, responsible for energy analysis and sales of performance-based contracts. While at TRANE, he also became overall sales manager. Prior to that, Matt started up and managed the Connecticut office for a Boston-based consulting engineering firm, and also worked as a mechanical and electrical engineer in the corporate design and construction group of Digital Equipment Corporation. His engineering experience includes office buildings, laboratories, hospitals, high-tech facilities, industrial and manufacturing facilities, chilled-water plants, and educational facilities.

Matt earned a Bachelor of Science in Mechanical Engineering (BSME) Degree from the University of Arizona and is a registered professional engineer in Connecticut, Massachusetts, and Vermont.

Matt is a Leadership in Energy and Environmental Design (LEED) Accredited Professional, and a Certified Building Commissioning Professional (CBCP).

Matt’s professional affiliations include being the Chair of the American Society of Heating, Refrigeration, and Air Conditioning Engineers (ASHRAE) Technical Committee 7.8 (Owning & Operating Costs) and President, 2008-09, of ASHRAE’s Connecticut Chapter. In 1989, he received the ASHRAE Boston Chapter Member of the Year Award. He also received a First Place Award in the Connecticut ASHRAE Energy & Technology Competition (1996) for chiller plant renovations at Middlesex Hospital. Matt also served three years with the University of Hartford’s Construction Institute (CI) as Chairman of the Marketing Committee, and has been on the Institute’s Board of Advisors since 2006. He was President of Capitol Region Chapter #79 of the Association of Facilities Engineering (AFE) for five years.

The Personal Side

Matt resides in Coventry with his wife Nancy, and has two sons who are firefighters. Matt also serves on the Town of Coventry’s Energy Conservation of Alternative Energy Advisory Committee.