Dan Hahn


Dan founded Solar Power Rocks with Dave Llorens in 2007. Possessed with a mission to communicate the state by state return on investment for solar energy in plain English, Dan spearheaded a consumer-centric approach to solar policy writing and research in all fifty states.
Dan is a human resource management consultant, and adjunct professor of psychology at Portland State University. In addition to leading the solar policy research team at Solar Power Rocks, he’s runs SprocketFly, a mobile bike repair business in Portland Oregon. In late 2014, Dan also launched a book recommendation tool called BookBranch based on his work in decision science.
He grew up outside of Chicago, Illinois, has a master’s degree in industrial psychology and is a hopeless Cubs fan.