Mark Gelfo, PE
LEED-AP, CxA

In Jacksonville, we are committed to developing lasting relationships by consistently delivering excellent design services to building owners and architects. A team approach helps us provide our clients valuable input during the design process. We are highly experienced in hospital design, with projects at Baptist Health Systems, Mayo Clinic, Memorial Hospital, St. Luke's and St. Vincent's medical centers; and in higher education, with projects at the University of Florida, University of North Florida and Florida Community College. Our portfolio also includes central plants, bio-hazard level BL-2 and BL-3 laboratories, call centers, and high-rise office and residential facilities.

Our growing staff includes 23 LEED Accredited Professionals, four ACG-Certified Commissioning Authorities, two Healthcare Facility Design Professionals, a certified Lighting Professional, a Registered Communications Distribution Designer, and two Certified Plumbing Designers. Long active in industry associations, our professionals serve as:
• Education Chair and Immediate Past President of the U.S. Green Building Council North Florida Chapter
• Secretary/Treasurer of the Associated Air Balance Council Commissioning Group (ACG) Board of Directors
• Past President (99-00) and Current President Elect of the SMPS North Florida Chapter
• Marketing and Communications Committee, U.S. Green Building Council North Florida Chapter
• Communications Committee, Commercial Real Estate Women (CREW) Jacksonville
• Member, University of North Florida, Division of Continuing Education, Dean's Advisory Council
• Board member of the Illuminating Engineers Society of North America Jacksonville Section
• Vice Chair, University of North Florida Engineering Advisory Council
• University of North Florida College of Computing, Engineering and Construction, Dean's Leadership Council
• University of North Florida "Fab Grad" awarded by the President of UNF for his contributions to the University, 2008
• Member, ACE Mentor Program of Northeast Florida, a program designed to mentor students in the field of architecture, construction, and engineering
• 2008-2009 Region XII Historian for American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE)
• 2008-2009 Chair of the ASHRAE Historical Committee (International or Society Level Position)
• 2008 Member of the ASHRAE Nominating Committee Jacksonville Chapter
• 2007 Supporting Member of the Year, Florida Healthcare Engineering Association District 2
• 2008-2009 Board member of the Board of the Jacksonville Chapter of the University of Tennessee Alumni Association
• 2008-2009 Member of Publishing-Education Council of ASHRAE
• Chapter President and Treasurer of the American Society of Plumbing Engineers North Florida Chapter

A leader in sustainable design and LEED consulting services, TLC Jacksonville has provided engineering and/or LEED administration services for 13 LEED-certified projects - six Gold, five Silver, two Certified. The TLC Jacksonville office is the first project in Florida to be certified for LEED for Commercial Interiors and the first building in Jacksonville to achieve Silver certification.