Ethan Goldman was a PhD student at Carnegie Mellon University in Pittsburgh, PA, at the time the article was written. He is currently the Measurement & Verification Specialist at Efficiency Vermont, Burlington, VT. H. Scott Matthews is a professor in the Department of Civil and Environmental Engineering and research director for the Green Design Institute, at Carnegie Mellon University. Lucio Soibelman is a professor at Carnegie Mellon University in the Department of Civil and Environmental Engineering in Pittsburgh, PA, USA.