Step 1. Come for the free drinks.
Step 2. Send an email to mpope.cr(at) gmail (dot) com --Tell me what you do (i.e. sales, programmer, etc.) --Tell me the kind of person you'd like to meet. --A list of respondees => 
Example: --I'm an entrepreneur/marketer/bizdev guru --I'd like to meet a technical cofounder for web startup
We want a good mix. I'll invite people to complement the crowd.
Michael 415.264.5223 mpope.cr(at) gmail (dot) com