Gwyn came to D-Lab in 2005 as a volunteer to advise on pedal-powered solutions for basic needs in the developing world.
He arrived at D-Lab with 12 years in engineering and product design at Merlin Metalworks, a company he founded for the manufacture of high-end bicycle frames. He developed D-Lab: Cycle Ventures to explore human powered bicycle technology for other purposes. He has also taught the freshman course D-Lab: Discovery (no longer offered), and with D-Lab Executive Director Bob Nanes developed the course D-Lab: Smallholder Agriculture.
Gwyn has worked on a range of engineering projects for the developing world, largely, but not exclusively, in energy and agriculture, and a rickshaw project with a partner in Assam, India. Agricultural projects include mentoring teams working on threshers, oil presses, shellers, grain mills, and research into dairy cow nutrition in Morocco.