Jason Calacanis is known for keynoting tech industry conferences worldwide. Here, Calacanis speaks at the Future of Web Apps conference in Las Vegas. -- Photo by Jeff Ward.

Jason Calacanis is known for keynoting tech industry conferences worldwide. Here, Calacanis speaks at the Future of Web Apps conference in Las Vegas. -- Photo by Jeff Ward.

A bit of a celebrity in the startup world will be keynoting this year's San Diego Startup Week...