san jose · Thursday, February 2, 2012 11:00 AM

Jeff Tchang is attending

San Francisco, CA · Tuesday, September 27, 2011 12:00 PM

Jeff Tchang is attending

Google · Saturday, July 9, 2011 6:00 AM

Jeff Tchang is attending

Ben & Jerry's Scoop Shops World Wide · Tuesday, April 12, 2011 5:00 AM

Jeff Tchang is attending

VonChurch · Friday, January 28, 2011 12:30 AM

Ajay Waghray is attending and Jeff Tchang is attending

Hacker Dojo · Sunday, December 12, 2010 2:00 AM

Jeff Tchang is attending

Hacker Dojo · Saturday, December 4, 2010 5:00 AM

Jeff Tchang is attending

All US Chipotle Locations · Friday, November 19, 2010 4:00 PM

Jeff Tchang is attending

House of Air and Crisssy Field · Saturday, October 30, 2010 5:30 AM

Jeff Tchang is attending

Justin.tv · Saturday, October 2, 2010 6:00 AM

Justin Kan is attending and Jeff Tchang is attending

Microsoft's Silicon Valley Campus, Building 1 · Saturday, September 18, 2010 6:00 AM

Jeff Tchang is attending

Citizen Space · Thursday, September 16, 2010 5:00 PM

Jeff Tchang is attending