Mark Frazier is a software engineer specializing in open-source software platforms. By night, he vents his frustrations by building “real” things like Arts and Crafts furniture and acoustic guitars. He also built his solar-powered straw bale house. For the past four years he has been building guitars for the local high-school band’s fundraising efforts, yielding nearly $10,000 to date.

▪ bio current as of 2015