Fundraising Fox
Seth Rosenberg
InvestorBoard Member at Espresso Systems · Partner at Greylock Partners
New York, New York
Writes $500K – $200M checks · typically $25M
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About
Seth Rosenberg is an investor at Greylock Partners who backs founders building AI-first products. He previously worked at Meta, where in 2016 he was involved in an AI bot platform effort on Messenger, including a pilot with KLM airlines. He focuses on AI-first networks and marketplaces, AI-driven enterprise software categories, and AI co-pilots for services.
Contact· self-published, not guessed
Invests in
AI & Machine LearningConsumerCybersecurityEnterprise SoftwareFintechMarketplacesSaaS
Investments
Led
Tome
Board seats
Investor
0xAsporaAva ProtocolBretton AIEspresso SystemsLightfieldPayJoyPineRampRobloxWisetack
Sources: the firm's website · SEC Form D filings · curated public sources.
Colleagues at Espresso Systems
Network1
Investors connected to Seth in public investor directories — a warm-intro map.
Frequently asked questions
- Who is Seth Rosenberg?
- Seth Rosenberg is an investor at Greylock Partners who backs founders building AI-first products. He previously worked at Meta, where in 2016 he was involved in an AI bot platform effort on Messenger, including a pilot with KLM airlines. He focuses on AI-first networks and marketplaces, AI-driven enterprise software categories, and AI co-pilots for services.
- Where does Seth Rosenberg work?
- Seth Rosenberg is Board Member at Espresso Systems and Partner at Greylock Partners.
- What does Seth Rosenberg invest in?
- Seth Rosenberg invests in AI & Machine Learning, Consumer, Cybersecurity, Enterprise Software, Fintech, Marketplaces, SaaS.
- What check size does Seth Rosenberg write?
- Seth Rosenberg typically writes checks of $500K – $200M.
- What boards does Seth Rosenberg sit on?
- Seth Rosenberg holds tracked board seats at Magical.
- What companies has Seth Rosenberg invested in?
- Investments tracked here include Tome, 0x, Aspora, Ava Protocol, Bretton AI, Espresso Systems, Lightfield, PayJoy, Pine, Ramp, Roblox, Wisetack.
- Does Seth Rosenberg lead rounds?
- Yes — Seth Rosenberg has led 1 tracked investment.
About this profile. Compiled from public sources — Espresso Systems's own website and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights