James Lindenbaum – Startup Investor Profile

General Info

James Lindenbaum is an Angel Investor and the Co-Founder of Heavybit. He founded Heroku and has a focus on developer company go-to-market. His investments are primarily in Seed Rounds within industries like Crypto / Web3 / Blockchain, SaaS, and Technology, Media and Telecom (TMT). Lindenbaum’s track record includes being an astute advisor on developer product design and early GTM. He collaborates closely with startups to bring forth the next generation of developer-focused products. Collaboratively, he serves as a board member to Begin and offers expertise in the technology and startup ecosystem.
Location: San Francisco, CA
Country: United States of America
Industries:
Investment Regions:
Investment Stages: pre-seed, seed
Website:

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🤖 AI Activity Report

Status: not-found

AI Reasoning: Searches across multiple sources (Heavybit team page, VCSheet, Arete-Index, Crunchbase, Tracxn) list James Lindenbaum’s roles and portfolio companies (e.g., Mux, Begin) but do not provide recent investment transaction dates in the last several years. No verifiable public record of an investment by James Lindenbaum within the last 12 months was found. Given the absence of clear recent deal dates, use default: not-found.

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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