Check out OSEIA's talented solar trainers.


Ryan Bradt

Calling the Pacific Northwest home, Ryan Bradt is a licensed Electrician and Administrator in Washington State with nearly 20 years of experience in the Electrical Construction Industry. Currently he is the Assistant Director and Instructor in Electrical Apprenticeship courses at the NW Washington Electrical JATC. With a passion for emerging technology Ryan enjoys sharing his knowledge of solar PV and electric vehicle supply equipment installation. Active in his local solar community Ryan sits on the Board of Solar Washington and is Ad Hoc Faculty in the Clean Energy Department at Shoreline Community College. In his time away he enjoys hiking and snowboarding in the Cascade Mountains just out his back door.


Ryan Mayfield

Ryan Mayfield has been working in the renewable energy field since 1999 and is the President of Renewable Energy Associates, a consulting firm providing design, support and educational services for electrical contractors, architectural and engineering firms, manufacturers and government agencies. Ryan serves as Photovoltaic Systems Technical Editor for SolarPro magazine, regularly authoring feature articles in SolarPro and Home Power magazines and authored PV Design and Installation for Dummies. Ryan was also a contributor and video team member for Mike Holt’s, Understanding the NEC Requirements for Solar Photovoltaic Systems.

He is a Certified Master Trainer (from the Institute for Sustainable Power and Quality) for the PV course he teaches at Lane Community College. Ryan also teaches various PV courses across the nation for electricians, existing solar professionals, code officials, inspectors and individuals looking to join the solar industry. Class topics include National Electrical Code and PV systems, commercial PV systems, introduction to PV systems, preparation for the North American Board of Certified Energy Practitioners (NABCEP) Entry Level Exam and NABCEP’s Certified PV installer test. Ryan holds a Limited Renewable Energy Technician (LRT) license in Oregon, is an Oregon Solar Energy Industries Association (OSEIA) board member and chairs the state’s LRT apprenticeship committee.


Sean White

Sean White was on the NABCEP PV Installer Exam Committee and helped author the NABCEP PV Installer Task Analysis. His courses qualify for all levels of NABCEP PV credits. He is a registered NABCEP Associate exam provider. Sean White was awarded the 2014 Interstate Renewable Energy Council (IREC) Renewable Energy Trainer of the year. He has taught and certified many thousands of students throughout the world in 20 different countries. Sean authored the books Solar Photovoltaic Basics, Solar PV Engineering and Installation and Solar PV Technical Sales for Routledge Publishing. He is also writing two other books.


Bill Hoffer

Bill Hoffer has been working in the solar industry in the Pacific North-West for over 22 years.  He is an SEI Alumni since 1994, a NABCEP Certified Solar PV Installer, and a Professional Mechanical Engineer registered in Washington State.  His first job in the solar industry was with Applied Power Corporation designing remote off-grid mountaintop cell sites, when 10kW were considered a “Huge” system.  In 1995 he designed the 360kW (160 kW installed in 1996) off-grid system with generator backup at Dangling Rope Marina on Lake Powell, the largest National Park Off Grid PV system in the US at that time. He has worked as an engineering designer and installer of residential and commercial systems up to 500 kW. In addition he has designed and tested Balance of System components for Trace Engineering and Outback Power Systems, as well as an innovative solar module system for Silicon Energy and Itek Energy.  He currently runs his own consulting business, Sunergy Engineering Services PLLC, focused on commissioning utility scale and BIPV systems. He continues to contract teach for Solar Energy International, Outback Power Systems and OSEIA.  He met his wife in John Day Or at the Solwest Renewable Energy Festival and lives in a strawbale home she designed in White Salmon WA, while he was building his first strawbale house in East Wenatchee WA.  He is an avid gardener, ski and dance instructor.

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Andy Marks

Andy Marks is a fourth generation electrician who graduated from Michigan State University with a degree in special education. While he enjoyed his time teaching high school special education, he felt his real calling was to work in the electrical field. His passion for all things electrical has led him to work in the solar industry on both commercial and residential installations and designs. He has planned, designed, installed and overseen megawatts of solar installations.  He also works on designing and building commercial and residential projects that focus on green building as well as teaching at the electrical apprenticeship program. He is a licensed in both Oregon and Washington and holds a signing supervisor and masters licenses as well.  He is also holds a current NABCEP certification.


Ready to advance your career in Oregon’s solar industry?

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