Dan Hahn, MS is a decision science consultant.

In addition to leading the solar energy policy research team at Solar Power Rocks, he’s runs SprocketFly, a mobile bike repair business in Portland Oregon. Dan has also recently launched a book recommendation tool called BookBran.ch and a home purchase assistant called Homezzo based on his work in decision science.

Dan received his M.S. in Industrial/Organizational Psychology in 2008 from Portland State University and a B.S. in Financial Management from the University of Illinois - Urbana Champaign in 2001.

He has taught Leadership and Decision Science at Portland State University and LaTrobe University - Hanoi. 

Dan grew up outside of Chicago, Illinois, and is a hopeless Cubs fan.