Barry joined Servidyne in 1981 and has been Principal of Servidyne, LLC since 2014. He has devoted his professional life to improving the energy efficiency, environmental impact, and economic performance of buildings. With 40 years of experience in this field, he has consulted for many government and private sector organizations throughout the country. He leads Servidyne’s partnership with ENERGY STAR® and has been involved in the program since its inception. He was Principal Investigator for a major ASHRAE research project on HVAC service life and maintenance costs, the results of which were published in the ASHRAE Handbook. Barry graduated Phi Beta Kappa with a degree in Energy and Environmental Engineering from Stanford University. He is a Registered Professional Engineer in 15 states and a LEED® Accredited Professional with Specialty in Operations and Maintenance. He is also an ASHRAE certified Building Energy Assessment Professional and Commissioning Project Management Professional. He is Chair of the LEED Energy and Atmosphere Technical Advisory Group, LEED Faculty, and serves on the ASHRAE that developed the ASHRAE Standard for Commercial Building Energy Audits.
Jim Gieselman, PE
Jim first joined Servidyne in 2006 and returned as Principal of Servidyne, LLC in 2019 after a 5-year stint as principal with Emeritus Consulting LLC. Previously he managed the operation of Servidyne’s engineering group, providing energy and sustainability consulting services for commercial, institutional, and industrial facilities. Jim has served as the corporate energy consultant to The Ritz-Carlton Hotel Company, advising their hotel properties throughout North America in the areas of energy efficiency and HVAC infrastructure. He was also instrumental in enhancing the functionality of fault detection / diagnostics software. He began his career with The Trane Company where he rose to the level of Manager, Industrial Sales and Application Engineering. Jim holds a B.S. in Aerospace Engineering from the University of Notre Dame and an MBA from The Robinson School of Business at Georgia State University. He is a registered Professional Engineer, a member of ASHRAE, and an ASHRAE certified Building Energy Assessment Professional (BEAP). Jim is also an instructor at Chattahoochee Technical College where he teaches an advanced HVAC course for BOMA Atlanta.
Lung-Sing Wong, PE
Lung-Sing joined Servidyne in 2004 and has been Principal of Servidyne, LLC since 2014. With more than 38 years in the field, he is a sought-after expert in energy simulation and modeling. He specializes in investigative and analytical engineering services, performing energy analyses, and engineering troubleshooting in existing buildings. His experience with energy survey and analysis projects includes military bases, government complexes, health care centers, laboratory facilities, college campuses, and public school systems. He has developed in-house energy analysis spreadsheets including energy savings calculations for complex HVAC system and energy project implementation cost estimates. He is expert in the use of energy simulation tools, including DOE-2.1, eQUEST, HAP, System Analyzer and Trane Trace. Lung-Sing holds a Bachelor of Mechanical Engineering and a Master of Science in Mechanical Engineering from Georgia Tech. He is a Registered Professional Engineer and member of ASHRAE.
Jim Poulos, PE
Jim first joined Servidyne in 1988 and recently returned as Principal of Servidyne, LLC in 2014. He is a nationally recognized expert on building energy efficiency and system optimization who brings over 35 years’ experience performing energy analyses and modeling, design services and construction supervision, commissioning, retro-commissioning, and troubleshooting in both new construction and existing buildings. Jim holds Bachelor of Science and Master of Architecture degrees from Georgia Tech and a Master of Business Administration from the Goizueta School of Business at Emory University. He is a Registered Professional Engineer in several states, a LEED® Accredited Professional, and an ASHRAE certified Building Energy Modeling Professional. Jim is a long-time member of ASHRAE and is Past-Chair of the Technical Committee for Owning and Operating Costs and Past-Vice-Chair of the Project Guideline Committee that developed the ASHRAE Guideline for Existing Building Commissioning.