Keiretsu Forum large network of angel investors that are based in San Francisco, California. The firm seeks to invest in companies operating in technologies, healthcare, life sciences, real estate, consumer products, and high growth segments and offer early, seed, later stage venture, and debt financing investments to startups.
| Stage | Industry | Investment Region |
| Pre-Seed, Seed, Series A+ | Clean Tech and Energy, Consumer, Finance, Life Sciences and Healthcare, Real Estate, Technology | Global |