General Info
Rain Rannu is a Founding Partner of Superangel and Co-Founder of Fortumo. He serves as an Advisor at Digital Sputnik and Sportlyzer, and as an Advisor at Messente. With 15 years of experience in the mobile payments industry, he has a strong track record of building globally successful startups. Rain Rannu’s previous investments include companies like Teleport, Pipedrive, Taxify, and Upgraded. His investment check size and stage of investment are not specifically mentioned, but he is actively involved in investment activities. In terms of partnership and collaboration styles, Rain exhibits a balance of introspection, relational skills, and expressiveness in working with others, valuing trust, creativity, and human connection.
Location: San Francisco, CA
Country: Estonia
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Investment Regions:
Investment Stages: pre-seed, seed
angel-individual
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🤖 AI Activity Report
Status: very-active
AI Reasoning: Tracxn shows Superangel (where Rain Rannu is Founding Partner) made investments in 2025 (Labrys Jun 3, 2025) and Dec 8, 2024 (askel.ai). The most recent investment linked to the fund is Jun 3, 2025 (Labrys). That is less than 6 months before the reference date, so classify as very-active. Example startup: Labrys.
Angel activity thresholds:
Low Activity – Only known angel investments more than 12 months ago.
Active – Known angel investments between the last 12 and 6 months.
Very Active – Known angel investments in the last 6 months.
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