# Kevin E. Leininger

> Kevin E. Leininger co-founded IntegriChain in 2006 and served as CEO until February 2023, when co-founder Josh Halpern succeeded him and Leininger became executive chairman. A physics graduate and Chicago Booth MBA, he previously worked in software integration and authored technical books. He later founded r40ai and is listed as an advisor to Healthy Ventures.

- **Role:** Founder at r40ai
- **Organizations:** r40ai, IntegriChain, Healthy Ventures, Iowa State University, Dreamit Ventures, Ben Franklin Technology Partners, NeoMedia Technologies, Fermi National Accelerator Laboratory
- **Education:** Bachelor of Science in Physics, Iowa State University, MBA, international business and finance, University of Chicago Booth School of Business
- **Known for:** Co-founded and led IntegriChain through its 2006-2023 CEO period., Authored six technical books on Unix, the Internet and Java, according to Iowa State University., Named an EY Entrepreneur of the Year Greater Philadelphia finalist with Josh Halpern in 2021.

## Career timeline

- **1987** — Graduated from Iowa State University with a BS in physics.
- **Before 1997** — Worked as an integration expert at Fermi National Accelerator Laboratory.
- **1991** — Earned an MBA from the University of Chicago Booth School of Business.
- **1997** — Published The Java Developer’s Tool Kit with McGraw-Hill; author biography identified him with NeoMedia Technologies.
- **2006** — Co-founded IntegriChain with Josh Halpern.
- **2015** — Led IntegriChain during its headquarters relocation from Princeton to Philadelphia.
- **2016** — IntegriChain entered a strategic equity partnership with Accel-KKR.
- **2017** — IntegriChain acquired PharmaMetrics.
- **2018** — IntegriChain acquired MCT.
- **2020** — IntegriChain agreed to acquire Cumberland’s Life Sciences division and appointed a senior people and culture executive.
- **2021** — Named an EY Entrepreneur of the Year Greater Philadelphia finalist alongside Josh Halpern.
- **2023** — Transitioned from CEO to executive chairman effective February 1; Halpern became CEO.
- **After IntegriChain CEO tenure** — Founded r40ai, focused on AI and profitable growth.

## Achievements

- Co-founded and led IntegriChain through its 2006-2023 CEO period.
- Authored six technical books on Unix, the Internet and Java, according to Iowa State University.
- Named an EY Entrepreneur of the Year Greater Philadelphia finalist with Josh Halpern in 2021.
- IntegriChain was number 19 on Forbes’ 2011 Most Promising Companies list, as recorded by the University of Chicago magazine.

## Latest updates

- **2023-02** — Became IntegriChain executive chairman as Josh Halpern became CEO.
- **2023-12** — Nordic Capital’s majority investment in IntegriChain closed.

## Links

- Website: https://r40ai.com
- LinkedIn: https://www.linkedin.com/in/kevleininger
- Twitter/X: https://x.com/kevleininger

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Profile page: https://yespress.io/kevin-leininger
Published by YesPress — https://yespress.io
Last updated: 2026-10-23