Fundraising Fox

Jason Scharff

Founder

Founder at Cobblestone

New York, New York, United States

FoundedCobblestone · YC

Find your path to Jason

230 people in our graph share verified history with Jason — schools, employers, funds. One of them is your warm intro.

Alex TranunlockedJason: together at Ramp (2022)
×3Jason: together at Robinhood
×5Jason: together at Ramp
×3Jason: together at Menlo School

About

Jason Scharff is co-founder of Cobblestone. He previously held engineering roles at Ramp and Robinhood.

Founder at CobblestoneYC W23

Intro paths

YC

Jason went through Y Combinator (Winter 2023) — any YC alum in your network can reach them through the YC community.

GP

Their group partner at YC was Jared Friedman, YC Group Partner — the partner who ran Cobblestone's batch and knows the company first-hand. YC profile ↗

In turn, Jason can intro founders to Cobblestone's investors below.

Co-founders at Cobblestone

Experience

  1. -.current2025 — present
  2. CobblestoneCo-Founder, CEO (acquired by 100)2023 — 2025
  3. RampEngineering2021 — 2022
  4. RobinhoodEngineering2018 — 2020Menlo Park, California, United States

Skills & more

Languages English · Spanish

From Jason's professional profile.

Frequently asked questions

Who is Jason Scharff?
Jason Scharff is co-founder of Cobblestone. He previously held engineering roles at Ramp and Robinhood.
Where does Jason Scharff work?
Jason Scharff is Founder of Cobblestone.
What companies did Jason Scharff found?
Jason Scharff founded Cobblestone.
Where did Jason Scharff go to school?
Jason Scharff studied at Duke University (Bachelor of Science (B.S.), Computer Science); Menlo School.

Founder mafias

Y Combinator mafia10,230

Also came through, then founded or led a company.

+ 10,223 more

Duke University mafia288

Also came through, then founded or led a company.

+ 281 more

Robinhood mafia38

Also came through, then founded or led a company.

+ 31 more

Ramp mafia25

Also came through, then founded or led a company.

+ 18 more

Ramp mafia25

Also came through, then founded or led a company.

+ 18 more

Same school

Shared employers