Tad Patzek, Professor of Geoengineering at U.C. Berkeley. Patzek is an Editor for Transport of Porous Media, and an Associate Editor of Energy Tribune. He is also an active participant in the global debate on biofuels and their environmental and social impacts. He is a coauthor of some 200 papers and reports, and is currently writing four books.

Dan Sweeney, Energy consultant with Keene Builders. Sweeney works on residential energy conservation solutions using a combination of energy audits, solar photovoltaic, solar hot water, and energy loss control. His background includes street legal electric vehicle design and fabrication, robotic motion control, theatrical scenery design and construction, and AC/DC electrical systems.