Jason Rosenthal
Operating Partner & Head of Crypto Startup Accelerator (CSX) at Andreessen Horowitz
Menlo Park, California
Jason Rosenthal, Operating Partner & Head of Crypto Startup Accelerator (CSX) at Andreessen Horowitz is an active investor based in Menlo Park, California. This profile covers what Jason Rosenthal backs, at which stage, and how founders can reach out in 2026.
- Investor type
- AngelVCPE
- Stages
- Seed
- Invests in
- Crypto & Web3Developer Tools & Data
- Location
- Menlo Park, California
- Typical check
- $250K
- Past investments
- 4
Notable investments
Protocol LabsSilver Lake PartnersKite & LightningHow to reach Jason Rosenthal
Angels and operators like Jason Rosenthal reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded Accelerator.
Connect with Jason Rosenthal
Frequently Asked Questions
What does Jason Rosenthal invest in?
Jason Rosenthal invests in Crypto & Web3 and Developer Tools & Data, typically at Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Jason Rosenthal invest at?
Jason Rosenthal typically invests at Seed. Lead with traction that fits the stage when you reach out.
What is Jason Rosenthal's typical check size?
Jason Rosenthal typically writes checks around $250K. Use it as a signal for whether your raise fits their stage.
How do I contact Jason Rosenthal?
Unlock Jason Rosenthal's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.