Keiretsu Forum Southern California is a region within a global investment community of accredited private equity angel investors, venture capitalists, and corporate/institutional investors.

Founded in 2000, Keiretsu Forum stands as the world's largest and most prosperous accredited investor-private equity community, boasting over 3,000 accredited angel investor members spread across 64 chapters across four continents. Over its tenure, Keiretsu Forum members have collectively injected over $1 billion into companies spanning various sectors such as software, telecommunications, health/life sciences, biotech, real estate, mobile applications, Internet, consumer products, and other high-growth industries.