# Jonathan Bittner

> Jonathan Bittner is the co-founder and CEO of Splitwise, the Providence-based expense-sharing company that grew from an experiment in fair rent into a global consumer-finance product. A Yale physics graduate and former Harvard astrophysics doctoral student, Bittner has spent his career turning delicate questions about money between friends, couples and travelers into calm product decisions.

- **Role:** Co-founder and CEO at Splitwise
- **Organizations:** Splitwise, Simon-Kucher & Partners, Yale University, Harvard University, Forbes
- **Education:** B.S. in Physics, Yale University, Graduate study in astrophysics; left the PhD program, Harvard University
- **Known for:** Co-founded Splitwise and has led it as CEO since 2011., Built Splitwise from a rent-splitting calculator into a consumer-finance product used by tens of millions of registered users by 2021., Raised a $20 million Series A led by Insight Partners in 2021.

## Career timeline

- **Before 2011** — Studied astrophysics at Harvard and worked briefly as a pricing consultant at Simon-Kucher & Partners.
- **2011** — Co-founded the service first launched as SplitTheRent with Ryan Laughlin and Marshall Weir; it became Splitwise.
- **2011** — Named to Forbes' inaugural 30 Under 30 list in Real Estate for his work on Splitwise.
- **2013** — Splitwise released its API; Bittner also wrote about roommates and shared costs as a Forbes contributor.
- **2014** — Announced a $1.4 million seed round and a hiring push after users had logged more than $1 billion in US-dollar expenses that year.
- **2017** — Selected for Providence Business News' 40 Under Forty class.
- **2021** — Splitwise raised a $20 million Series A led by Insight Partners after reaching tens of millions of registered users and $90 billion in costs shared.
- **2024** — Splitwise partnered with Tink to introduce Pay by Bank in the United Kingdom.
- **2025** — The Tink-powered Pay by Bank experience expanded to France, Germany and Austria.

## Achievements

- Co-founded Splitwise and has led it as CEO since 2011.
- Built Splitwise from a rent-splitting calculator into a consumer-finance product used by tens of millions of registered users by 2021.
- Raised a $20 million Series A led by Insight Partners in 2021.
- Named to Forbes' inaugural 30 Under 30 list in 2011 in the Real Estate category.
- Named a Providence Business News 40 Under Forty honoree in 2017.
- Published personal-finance analysis and commentary as a Forbes contributor.
- Helped establish Splitwise in Providence after the company participated in the Betaspring accelerator.

## Latest updates

- **2025-10** — Splitwise and Tink expanded Pay by Bank from the United Kingdom into France, Germany and Austria; Bittner emphasized a secure, direct user experience.
- **2024-04** — Splitwise announced its Tink partnership to add direct Pay by Bank transfers in the United Kingdom.
- **2021-04** — Splitwise raised a $20 million Series A led by Insight Partners to grow its team, global customer base and financial-services partnerships.

## Links

- Website: https://www.splitwise.com
- LinkedIn: https://www.linkedin.com/in/jonbittner
- Twitter/X: https://twitter.com/jonbittner

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Profile page: https://yespress.io/jonathan-bittner
Published by YesPress — https://yespress.io
Last updated: 2026-08-27