They put on great events. VentureNet – Great annual event by the Technology Council. CalTech MIT Enterprise Forum – Great events on various topics – there's one this Saturday that would be great to go to. AITP-LA – Monthly events. Often good topics and interesting networking. And here's where you can find more events: SoCalTech Calendar – A great aggregation of events around Southern California that has been pulled together for years by Ben Kuo. Meetup – My personal experience has been mixed with these. Southern California Tech Central