EuroCircle - 40,000+ members worldwide
San Francisco Team managed by Layla Sabourian
"Monthly networking parties are our best-known events," says Victor. "In large Circles, such as Chicago and San Francisco, these can draw crowds from 300 to 700 people." Sports, cultural pursuits and business events are also popular. "Almost anything someone suggests is doable as long as it's legal," says Kaisa.
http://www.eurocircle.com/aboutec/localteams/sanfrancisco/index.php