AltaIR Capital is an international early-stage venture capital firm founded in 2005 by serial angel investor Igor Ryabenkiy. The firm invests in global startups with teams primarily from the United States, Israel, and Europe, with a focus on productivity tools, future of work, AI, SaaS, fintech, insurtech, and digital health sectors. As of 2021, AltaIR Capital had approximately USD 600 million in total assets under management and had invested in over 300 technology startups across multiple funds, with Fund I (2012, USD 20 million), Fund II (2014, USD 100 million), and Fund III (2019, USD 200 million) targeting pre-seed through Series A rounds. AltaIR also manages a pre-IPO fund and operates AltaClub, a business angel club with a portfolio valued at USD 650 million. The firm's first two funds were fully invested and returned more than 17x on invested capital. PitchBook ranked AltaIR Capital as the second most active venture capital investor in Israel in both 2019 and 2022, and notable portfolio companies include Sunbit, Benepass, EquityBee, Squire, and Respond.io.