The following is a list of experts and scientists in alphabetical order that appear in "Energy Crossroads".

Steve is a board member and co-founder of ASPO- USA, a non-profit, non-partisan research and public education initiative to address America’s peak oil Energy challenge. He is also an energy consultant and freelance writer based out of Denver, Colorado.  He has followed the peak oil issue since the early 1980s, and since 1996 he has delivered an estimated 40 presentations on peak oil and natural gas at conferences and various educational forums.

Larry is a team leader at the National Renewable Energy Laboratory (NREL) at the Wind Technology Center in Golden, CO. He has been working in wind technology with an emphasis on utility systems, village power, and international programs. He serves as the national technical director of the Wind Powering America program.

Dr. James Hansen heads the NASA Institute for Space Studies in New York City, a division of Goddard Space Flight Center in Greenbelt, MD, Earth Sciences Directorate. He is best known for his testimony on climate change to congressional committees in the 1980s that helped raise broad awareness of the global warming issue.

Eric Lombardi is the Executive Director of Ecocycle in Boulder, Colorado. Ecocycle is one of the largest non-profit recyclers in the USA that has an international reputation as a pioneer and innovator in resource conservation.

Paul Komor is a Lecturer in the Environmental Studies Program at the University of Colorado–Boulder, and a Senior Advisor at E SOURCE, a Boulder-based energy research firm. His current research is on renewable energy technologies and policies, and their relationship to electric utility restructuring. he has published numerous refereed articles, reports, and other papers; and in 2004 published a book, Renewable Energy Policy, that compares U.S. and EU experiences with renewable energy policies.

Claire Parkinson has a Ph.D. in climatology and is a Senior Scientist at the NASA Goddard Space Flight Center. Her Research expertise is sea ice and climate change.

Scott Pugh is the Executive Director of the Association for the Study of Peak Oil & Gas in the US.  He retired from the Navy as a Captain in 2005 with experience as a nuclear submarine commanding officer and as dean of mathematics and science at the US Naval Academy. He has multiple technical degrees including an MS in physics. He lives in Annapolis, Maryland.

David E. Stuart is a Professor of Anthropology at the University of New Mexico. He is the Author of “Anasazi America”. Stuart sees the fates of the Anasazi and their Pueblo descendants of the American Southwest as a parable for modern societies.

Randy Udall is director of the non-profit Community Office of Resource Efficiency since 1994 in Carbondale, Colorado. He is the son of Morris Udall a 14-term representative from Arizona best noted for his championship of environmentalist causes.  Since the mid-1990s, Randy has presented an estimated 50 sessions about peak oil at national conferences, plus authored “When Will the Joyride End” (1998) and “Methane Madness” (2000).

James White is a Fellow of the Institute of Artic & Alpine Research and a Professor of Geological Sciences at the University of Colorado in Boulder. He specializes in global change, paleoclimate dynamics and biogeochemistry. He has been publishing numerous papers in his field.

Morey Wolson is head of MW Energy Solutions LLC an energy consulting company. During the 1970s he worked on energy and environmental policy issues that primarily focused on renewable energy. From 1985 to 1999, he was the executive assistant to the commissioners at the Colorado Public Utilities Commission. From 2000 to 2004, Morey worked as a utility policy expert at the National Renewable Energy Laboratory.