Mark A. Gelfo
PE, CxA, LEED Fellow, EMP
Managing Principal
As an engineer, I love solving challenging problems. Working with our clients to solve their design and operations challenges, to help create high performing buildings that are functional and beautiful is incredibly satisfying! In my 25 years at TLC, I have seen us grow tremendously - in size, in reach, in imagination. I have been given tremendous technical, growth and leadership opportunities, and am proud to be part of giving those same opportunities to the next generation of engineers.
Mark specializes in energy-efficient facility design, sustainable design strategies, energy management, and commissioning. Mark serves on the Board of Directors of ACG, the EMA and is a past Vice-Chair of the USGBC National LEED Implementation Advisory Committee.
B.S., Architectural Engineering
Pennsylvania State University
