He is the co-founder and executive chair of Mosaic Inc., a leading financing platform for U.S. residential solar and sustainable home improvements.

[3] In July 2005 he led a three-day fast in front of the White House to draw attention to the 150,000 deaths caused each year by climate change.

[2] However, in 2002, he left Yale University and went on to found the Energy Action Coalition, renamed the Power Shift Network.

[5] The Coalition became the largest youth-led clean energy advocacy network in the world, bringing together 50 environmental and social justice groups and over 340,000 members.

[10] In 2014, Parish shifted the company’s focus from crowdfunding to financing for residential solar projects, and in 2018, expanded to sustainable home improvements.