But his greatest contribution to clean energy — with many more surely to come — was co-founding Solar Mosaic (now known simply as Mosaic) in 2010, alongside long-time friend Dan Rosen.

While concerns about climate change motivate everyone on this list, they are the locomotive behind everything Parish does.

Having grown up wanting to become a journalist, Parish’s “course was reset” by a year spent in high school at the Mountain School in Vermont, an unusual private institution that sees students live and work on a rural organic farm, in addition to their normal studies.

A