Larry Spielvogel is a Consulting Engineer in King of Prussia, Pennsylvania, a suburb of Philadelphia. He holds a B.S. in Mechanical Engineering from Drexel University and is a Registered Professional Engineer in 49 States. He is also a Chartered Engineer in England, a European Engineer in all Common Market Countries, a Certified Plant Engineer, and has lectured and written extensively.

He is a Fellow of ASHRAE (American Society of Heating, Refrigerating, and Air Conditioning Engineers), an ASHRAE Distinguished Lecturer, and a winner of its Distinguished Service Award. He Chaired the ANSI/ASHRAE/IESNA Standard 90.1 Project Committee from 1999 to 2002, which serves as the basis for most building energy codes and is the energy benchmark for Federal tax legislation and the US Green Building Council LEED® Program. He formerly chaired the ASHRAE Advocacy Committee.

He is also a Fellow of CIBSE (Chartered Institution of Building Services Engineers) (England), a Fellow of the SLL (Society of Light and Lighting) (England), a Member of IESNA (Illuminating Engineering Society of North America), ASPE (American Society of Plumbing Engineers), NFPA (National Fire Protection Association), ICC (International Code Council), and many other Technical Societies.

From 2001 to 2006, Mr. Spielvogel served on the U. S. National Academy of Sciences and ASHRAE committees that studied threats from terrorism and recommended methods of dealing with them, and chaired the ASHRAE Committee on Homeland Security from 2003 to 2006.

His practice is limited to consulting on energy management, procurement, and problem solving in buildings, and he has been a consultant on many major buildings around the country and the world.