# Tomer Shiran

> Tomer Shiran co-founded Dremio with Jacques Nadeau in 2015, served as its founding CEO, and moved to chief product officer in 2020. Previously MapR’s fifth employee and VP of Product, he also worked at Microsoft and IBM Research. His work centers on self-service analytics and open data architecture; SAP completed its acquisition of Dremio in July 2026.

- **Role:** Founder at Dremio, an SAP company
- **Organizations:** Dremio, MapR, Microsoft, IBM Research, Apache Software Foundation
- **Education:** BS in Computer Science, Technion - Israel Institute of Technology, MS in Electrical and Computer Engineering, Carnegie Mellon University
- **Known for:** Co-founded Dremio and served as its CEO for its first five years., Helped grow MapR from five to more than 300 employees and 700 enterprise customers, according to his published biography., Led Dremio to more than 100 employees before the February 2020 CEO transition.

## Career timeline

- **Before 2009** — Worked in engineering at IBM Research and in engineering and product management at Microsoft.
- **2009** — Joined MapR as employee number five and served as VP of Product.
- **2015** — Co-founded Dremio with Jacques Nadeau and became founding CEO. Raised a $12 million Series A co-led by Lightspeed and Redpoint.
- **2017** — Dremio launched on July 19 and began selling during the summer.
- **2020** — On February 13 announced Billy Bosworth as CEO and his own transition to chief product officer.
- **2024** — Co-authored Apache Iceberg: The Definitive Guide with Jason Hughes and Alex Merced; hosted Data Disruptors.
- **2026** — SAP completed its Dremio acquisition on July 6. Dremio’s current leadership page lists Shiran as Founder.

## Achievements

- Co-founded Dremio and served as its CEO for its first five years.
- Helped grow MapR from five to more than 300 employees and 700 enterprise customers, according to his published biography.
- Led Dremio to more than 100 employees before the February 2020 CEO transition.
- Listed as an Apache Drill committer and identified by the Apache Software Foundation as a Drill project management committee member.
- Co-authored Apache Iceberg: The Definitive Guide, published by O’Reilly.
- Dated public biographies credit him with five US patents; this is not a current patent audit.

## Latest updates

- **2026-07** — SAP completed the acquisition of Dremio on July 6.
- **2026-05** — Co-authored the SAP acquisition announcement with Sendur Sellakumar, describing Dremio’s agentic lakehouse direction.

## Links

- LinkedIn: https://www.linkedin.com/in/tshiran
- Twitter/X: https://x.com/tshiran
- GitHub: https://github.com/tshiran

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Profile page: https://yespress.io/tomer-shiran
Published by YesPress — https://yespress.io
Last updated: 2026-10-20