Jay Stein is focused on expertise development, research skills development, quality control, new product development, and technology assessment. Jay is a specialist in HVAC, high-tech industrial process technologies, and the IT industry; he works closely with the E Source Technology Assessment Service. During his tenure at E Source, he has served as project director for several high-profile reports and market research studies, and is a regular contributor to the annual Tech Roundup web conference.

Over Jay’s nearly 40-year career in the twin fields of energy efficiency and renewable energy, he has designed utility demand-side management programs, advanced HVAC systems, and solar thermal collectors. He has also authored and coauthored hundreds of technical papers, magazine articles, and book chapters. Before joining E Source in 1996, Jay cofounded E-Cube Inc., an energy consulting firm specializing in building energy analysis and commissioning. He has a BS in agricultural engineering from Rutgers University.