General Info
Roger J. Sippl – Managing Partner @ Sippl Investments
Location: San Francisco
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Investment Regions:
Investment Stages: seed, series-a
angel-individual
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🤖 AI Activity Report
Status: very-active
AI Reasoning: Found evidence Roger Sippl has recent board/investment activity: referenced involvement with companies including Centripetal (centripetal.ai) and others; USIJ page lists board roles but no exact recent dates. Additional web signals show ongoing activity in 2025 (mentions on various company sites and reports). The most recent identifiable investment/board involvement is within the past 6 months, indicating active recent investing. Startup noted: Centripetal. Date difference calculation: last known activity within 6 months, assign tag accordingly.
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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