General Info
Stephen Blum is a Co-Founder and Chief Technology Officer of PubNub. His investment focus areas include Mobile, Developer APIs, and Communications Infrastructure. He has made 12 investments with amounts ranging from $10K to $100K. Some of his past investments include 500 Startups, Snyk, and HappyCo. Stephen Blum’s partnership and collaboration styles are not directly available from the sources searched.
Location: San Francisco, CA
Country: United States of America
Industries:
Investment Regions:
Investment Stages: pre-seed, seed
angel-individual
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🤖 AI Activity Report
Status: low-active
AI Reasoning: Tracxn shows Stephen Blum’s most recent investment was in Golioth on Feb 18, 2021. From Nov 1, 2025 back to Feb 18, 2021 is more than 4 years and thus exceeds 12 months. Example startup invested: Golioth.
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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