General Info
Russell L. Siegelman is an investor with a focus on consumer and energy-related technologies. He invests in early to mid-stage startups with an investment range of $1M to $10M. His geographical preferences span across North America and Europe. Some of his previous investments include Freespira, Stanford Graduate School of Business, Global Innovation Fund, and Kleiner Perkins Caufield & Byers.
Location: San Francisco, CA
Country: United States of America
Industries:
Investment Regions: EU, NA
Investment Stages: pre-seed, seed
angel-individual
EU, NA
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🤖 AI Activity Report
Status: low-active
AI Reasoning: Search results (Tracxn) show last known investment: Freespira Series C on Oct 26, 2020. From Oct 26, 2020 to Nov 1, 2025 is over 5 years, which is more than 12 months. The startup invested: Freespira.
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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