Joseph J. Deringer, AIA, LEED AP
Joseph Deringer is an energy consultant and software developer, who has worked on projects throughout the US and in over 15 countries worldwide to improve building sustainability and reduce energy use and greenhouse gases. He has performed DOE-2 simulation analyses on numerous buildings, and has managed teams that have conducted numerous DOE-2 analysis of typical and prototypical buildings. He has designed and managed DOE-2 training courses. He has managed international consultant teams that have assisted nine developing and newly industrialized countries to develop first generation energy codes, has assisted several of these countries to implement those energy codes, and has authored 2 compliance guidelines for such codes. He has served on ASHRAE’s energy efficiency standard 90.1 committee for 15 years, has chaired the 90.1 envelope subcommittee twice for a total of 10 years. He has also served on ASHRAE’s thermal comfort Standard 55 committee and as senior advisor to the AIA Committee on the Environment (COTE). He has chaired the NIBS project committee that has developed NIBS Guideline 3-2006, Technical Requirements for commissioning the Building exterior enclosure. He has a B.A in History (Honors) from the University of Pittsburgh, PA, a B. Architecture from Carnegie-Mellon University, Pittsburgh, PA, and an M.S. in Operations Research from Case Western Reserve University, Cleveland, Ohio. He has been an associate of DDLN, a large architecture-engineering-planning firm, Programs Director of the AIA Research Corporation, President of Gilford, Deringer and Co., Washington DC and New York, NY, and President of The Deringer Group, Inc. Berkeley, CA. He is Executive Director of the Institute for Sustainable Building Performance.


McHenry (Mack) Wallace, Jr., P.E.
Mack Wallace is a recognized leader in the energy field, and has served for the past 12 years on the ASHRAE 90.1 committee to refine the US National Energy Standard for Buildings. His building system designs were cutting new ground in energy efficiency as he began to work with utilities on energy programs. He also worked on State buildings’ energy efficiency programs and utility demand-side management programs. His work has addressed thousands of facilities and has included: (1) modeling facilities, (2) identifying operational and equipment alternatives, and (3) determining life cycle costs including first cost, operating cost, maintenance considerations, and payback. Mack has owned his own consulting firm, has been a partner in a medium-sized firm, and also in a national firm. He then joined TXU Energy, the deregulated arm of the largest investor-owned utility in Texas, as Director of Design Build Service. In this capacity, he provided performance contracting across the USA. He conceived of and developed a web-based energy management product that allows energy managers to have useful information based on the 15-minute meter readings. He started a firm to provide this service, Lost Dolphin Enterprises. Mack has decades of practical experience with buildings and their mechanical systems, starting at the age of 14 as a laborer for his family’s mechanical contracting business. He has a proven track record of leading and organizing teams of professionals to accomplish complicated tasks. He has a B.S. Mechanical Engineering from Rice University and holds professional registrations in 39 states. Mack is a Senior Consultant with the Institute for Sustainable Building Performance. 



Jeff Haberl, Ph.D, P.E., FASHRAE
Jeff Haberl is a professor in the Architecture Department of Texas A&M University (TAMU). He is also Associate Director of the TAMU Energy Systems Laboratory. He is a recognized expert in building auditing and performance monitoring. He provides outstanding training to students in learning how to simulate building energy use.   



Prasad Vaidya, LEED AP
Prasad Vaidya is a recognized expert in sustainable building design with a focus on LEED. Prasad Vaidya heads the LEED® consulting practice at The Weidt Group, working on daylighting design, energy conservation and LEED certification projects. He has also provided Energy Design Assistance for utility programs in Minnesota, Colorado and Iowa, which includes over a hundred building projects. He leads the internal research effort on the implementation and success of daylighting systems published at both ACEEE and ECEEE..   



Oliver Baumann, PE, LEED AP
Oliver is CEO of Ebert & Baumann Consulting Engineers, Inc. Washington, DC.