Jeffrey Yoo Warren

Jeffrey Yoo Warren is co-founder and Research Director for the Public Laboratory for Open Technology and Science. He designs mapping and civic science tools, and is the lead developer for Public Lab’s software systems, including,, as well as the DIY spectrometry toolkit Spectral Workbench. He is Vice President of the board of the Open Source Hardware Association, on the board of alternative education program Parts and Crafts in Somerville (Massachusetts), on the advisory board of Personal Democracy Media’s WeGov and an advocate of open source software, hardware, and data.

Warren co-founded Vestal Design, a graphic/interaction design firm in 2004, and directed the Cut&Paste Labs project, a year-long series of workshops on open source tools and web design in 2006-7 with Lima designer Diego Rotalde. He worked with artist/technologist Natalie Jeremijenko, building robotic dogs.