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Decarbonization & Electrification
Decarbonization & Electrification
Diversity, Equity & Inclusion
Diversity, Equity & Inclusion
Policy & Inflation Reduction Act
Policy & Inflation Reduction Act
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Dan Thomsen

Owner
Building Doctors
Los Angeles, California

Dan Thomsen, president and founder of Building Doctors, Inc., is a lifelong environmentalist, which started in the Boy Scouts, where he achieved the rank of Eagle Scout. Dan received a Bachelor of Science from the College of Agriculture and Forestry at West Virginia University and a Master of Science from the School of Forestry at North Carolina State University. He is a member, verified contractor and instructor with the California Building Performance Contractors Association (CBPCA) (now called Efficiency First California), on the Board of Directors of Efficiency First CA (formerly known as CBPCA) and the current Chairman of the Board, a certified Building Analyst and Envelope Professional (ID# 5008113) with the Building Performance Institute (BPI), a certified Green Building Professional with Build It Green, EPA Certified Lead Renovator and a founding member of Efficiency First, a National, not-for-profit trade association for the home performance workforce dedicated to increasing the efficiency of homes (where retired from the Board of Directors after six years. Currently, he is the Chair of the Southern California Chapter and formerly the National Membership Chair and on the marketing committee. Dan is also certified through California Home Energy Efficiency Rating Services

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