Andy is owner of OnGrid Solar performing Solar Financial Analysis & Purchaser's Consultations. He specializes in the financial payback of solar electricity systems. Find Out More >
Carl Bickford is an Assistant Professor of Engineering at San Juan College in Farmington, New Mexico. He has been involved in renewable energy systems for nine years. Find Out More >
Carol Weis is the PV Program Coordinator at SEI. She writes and updates the PV and Advanced PV curriculum and instructs in both the hands-on and online workshops. Find Out More >
Chuck is a New Mexico licensed plumber, electrician and heating and air conditioning contractor. He has been installing and servicing solar thermal systems since 1979. Find Out More >
Darren Emmons is a Washington state-based senior software engineer for Outback Power Systems. He is a graduate of Western Washington interested in renewable energy and search & rescue.Find Out More >
Dave is a licensed general contractor specializing in straw bale construction. He built the first permitted straw bale house in Moab in 1994. Find Out More >
Doni Kiffmeyer and his partner Kaki Hunter have been involved in the construction industry for the last 20 years, specializing in affordable, low-tech, low impact building methods that are as natural as... Find Out More >
Ed Eaton has been active in the solar energy field since 1981 when he founded the Tucson solar Potluck & Exhibition and co-founded the solar energy advocacy group Citizens for Solar. Find Out More >
Hal Aronson co-directs the Solar Schoolhouse program. Hal has experience as a green builder, working in the environmental justice movement, and teaching sociology and environmental studies. Find Out More >
Hugh Piggott of Scoraig Wind Electric is an international authority on home-built wind generators, and has been working with small wind turbines since 1977. Find Out More >
Ilan is the Director and founder of IRRI-Mexico. He also teaches environmental studies and natural resource management at Alliant International University. Find Out More >
Johnny Weiss is Cofounder and Executive Director of Solar Energy International. Johnny is a solar educator, consultant, certified Industrial Trainer and solar building professional. Find Out More >
Justine has been with Solar Energy International since May 1998. Before coming to SEI Justine obtained her Bachelors degree in Physics from the University of Colorado - Boulder. Find Out More >
Kaki Hunter and her partner Doni Kiffmeyer have been involved in the construction industry for the last 20 years, specializing in affordable, low-tech, low impact building methods that are as natural as... Find Out More >
Ken is a licensed Professional Civil Engineer, Professional Land Surveyor, Licensed Electrician, Licensed Solar Contractor and NABCEP certified. Find Out More >
Hailing from the Northeast, Khanti earned his self-designed degree in Renewable Energy Applications from Green Mountain College in Vermont. Personal travels to S.E. Find Out More >
Kyle Bolger has been serving society an assortment of remedies from breve's to bandages for most of his life. He now enjoys teaching and working with Renewables as a remedy for our current energy addictions. Find Out More >
Larry is the founder of Sun Mountain Solar Company, a custom building company in the Hudson Valley specilizing in building passive solar, energy efficient houses both on and off the grid, utilizing local... Find Out More >
Laura began her journey into the natural building field as the owner builder of Colorado's Roaring Fork Valley's first straw bale home in 1995. Find Out More >
Laurie Guevara-Stone is an instructor, writer and international program manager at SEI. She has a Master's Degree in Energy Engineering from the University of Colorado. Find Out More >
Mick Sagrillo established Lake Michigan Wind and Sun in 1981, a company which specializes in manufacturing wind generator parts and remanufacturing wind systems. Find Out More >
Peter is the Technical Sales Coordinator for Oventrop Corporation. He has been active in solar hot water heating for over 25 years. Mr. Find Out More >
Phil has worked in photovoltaics and renewable energy education since 2003. He holds a Masters Degree in adult education and training from Colorado State University. Phil’s specialty is solar site analysis.
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Rachel has been with Solar Energy International since January 2002. Before coming to SEI Rachel earned a Bachelor's degree in Environmental Studies at Utah State University. Find Out More >
Ryan Mayfield graduated from Humboldt State University in 1998 with a degree in Environmental Engineering and now calls Corvallis, Oregon home. Find Out More >
Shari co-runs Electro-Automotive in Felton, California with her husband Mike Brown. She is also a Home Power magazine Transportation Editor. Find Out More >
Soozie believes that you should smash your tv and get outside more. When she's not outside teaching people how to sea kayak or mountaineer, she is skiing or biking or trying to live simply. Find Out More >
Susy Ellison is a science teacher at Yampah Mountain High School in Glenwood Springs, CO. In her 10 years there, she has developed programming in sustainable building and energy education. Find Out More >
SEI is deeply saddened by the loss of Walt Ratterman, who perished in the Jan. 12, 2010 earthquake in Port-au-Prince, Haiti. Walt was an instructor, alumnus, supporter and friend of SEI. Find Out More >
“SEI offers the most comprehensive and practical training available in the country.”
-Richard Perez, Home Power Magazine