Here's some stuff I'm working (or worked) on:
Jan 2013 - Started Plethora - We want to make it as easy to make hardware as software using better design tools and high automation.
Sep 2012 - Started the Hardware Startup sub-Reddit - A HackerNews for the hardware crowd.
Aug 2012 - Organized a hackathon to make TheMakerMap.com - Gather all the local maker resources on a map for better sourcing - work in progress...
May 19-20, 2012 - Organized Hardware Startup Showcase at MakerFaire - Dale got us a prime spot, and there was a TON of activity - this was exciting.
May 12, 2012 - Organized the Hardware Startup Unconference - The first hardware startup conference to gather together the cream of the hardware startup crop to talk about our field.
Mar 2-4, 2012 - Mentor for Maker Startup Weekend - The first Startup Weekend for physical products.
Feb 2012 - Present - Advisor to Lemnos Labs - Working with the first hardware-only accelerator.
Dec 2011 - Present - Mentor for Thiel "20 Under 20" Fellowship - some amazing young entrepreneurs here - fun program to work with.
2011 - Present - Started the SF Hardware Startup Meetup - The biggest meeting of hardware startups that I know of - get together to meet other entrepreneurs working on physical products.
2010 - Present - Founding Board Member StartUptown - Using startups and tech for community development - I serve on the board.
2008 - 2009 - Founder of HackPittsburgh - Pittsburgh's first hackerspace co-located with the StartUptown incubator space.