# Reshef Mann

> Reshef Mann is the Israel-based CTO and co-founder of AppsFlyer, which he founded with longtime friend Oren Kaniel in 2011. A Technion information-systems graduate with experience at Intel, SAP, Jajah and Xsights, he wrote the company’s early code and helped establish its approach to distributed systems, high-volume data processing and advertising-fraud protection.

- **Role:** CTO & Co-Founder at AppsFlyer
- **Organizations:** AppsFlyer, Intel, SAP, Jajah, Xsights
- **Nationality:** Israeli
- **Education:** B.Sc. in Information Systems, Technion - Israel Institute of Technology
- **Known for:** Co-founded AppsFlyer in 2011 and wrote its initial code., Helped select Clojure for a backend that later processed billions of daily events., Led AppsFlyer research and development as CTO.

## Career timeline

- **1999-2003** — Studied at the Technion, earning a B.Sc. in Information Systems.
- **Before 2011** — Worked on web technologies and distributed systems at Intel, SAP, Jajah and Xsights; served as a system architect at Xsights.
- **2011** — Co-founded AppsFlyer with Oren Kaniel and began writing its early Python code.
- **2012** — Nir Rubinstein joined as AppsFlyer’s first employee and worked with Mann on the backend.
- **Around 2013** — Mann and Rubinstein selected Clojure after evaluating functional programming languages for the growing backend.
- **2015** — Published an explanation of AppsFlyer’s Bouncer authentication and authorization architecture.
- **2017** — Discussed Protect360, DeviceID Reset Fraud and the complementary roles of machine learning and human analysts.
- **2019** — Explained the need for post-attribution fraud detection as fraudsters moved toward emulators and automated attacks.
- **2025** — Listed as a speaker at MAMA Goa 2025.
- **2026** — AppsFlyer announced an investment agreement with Moloco, Google, Meta and Unity, subject to closing conditions and regulatory approvals.

## Achievements

- Co-founded AppsFlyer in 2011 and wrote its initial code.
- Helped select Clojure for a backend that later processed billions of daily events.
- Led AppsFlyer research and development as CTO.
- Helped build a measurement business serving more than 15,000 brands worldwide by June 2026.

## Latest updates

- **2026-06** — AppsFlyer announced a definitive agreement for minority, non-controlling, non-exclusive investments from Moloco, Google, Meta and Unity; investors would receive no preferential treatment in APIs, measurement signals, attribution logic or commercial terms.

## Links

- Website: https://www.appsflyer.com/
- LinkedIn: https://www.linkedin.com/in/reshefm
- Twitter/X: https://x.com/reshefm
- Facebook: https://www.facebook.com/reshef.mann

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Profile page: https://yespress.io/reshef-mann
Published by YesPress — https://yespress.io
Last updated: 2026-10-07