Unreasonable Mentors

Dan Rosen

Co-founder of Mosaic (one of the largest solar lenders in the US), Navajo Power, Ezra Climate, Solara, Unreasonable Fellow and former Board member

Dan is an Unreasonable Syndicate Investor and Mentor. Dan has participated in 6 programs, including Unreasonable Impact Americas 2023, and has advised over 83 Unreasonable companies.
Dan is an entrepreneur and investor with 15 years of experience leading clean energy companies and initiatives. He co-founded Mosaic in 2009 and served as CEO, President and now Chairman of the Board. Mosaic is now the largest provider of residential solar financing in the world. Mosaic has raised close to half a billion in funding and financed over $20B of solar projects. After Mosaic, Dan helped found Navajo Power, a Navajo owned clean energy development firm focused on tribal lands. He currently runs Ezra Climate, which helps invest and build climate finance platforms and he is co-founder of Solara, a fintech platform aimed at accelerating the deployment of climate solutions in Mexico and across emerging markets.