# Eli Singer

> Eli Singer is a serial technology entrepreneur and the co-founder of Jethro (formerly JethroData), a big data company that built an index-based SQL engine and BI-on-Hadoop acceleration layer for tools like Tableau, Qlik and MicroStrategy. Over a career spanning more than two decades he founded Memco Software, which reached a NASDAQ IPO, and co-founded and led WebCollage, a cloud e-commerce content platform later acquired by Answers.com. At Jethro he served first as co-founder and CEO and later as President, helping the company raise more than $12 million to make interactive analytics on Hadoop fast enough for real business users.

- **Role:** Co-Founder at Jethro (Jethro Data)
- **Organizations:** Jethro (JethroData), WebCollage, Memco Software, Qualitas Health, Zizio
- **Nationality:** Israeli-American
- **Education:** B.S. in Management, Pace University
- **Known for:** Founded Memco Software and led it to a NASDAQ IPO., Co-founded and led WebCollage, later acquired by Answers.com., Co-founded Jethro and helped raise more than $12M across seed and Series B rounds.

## Career timeline

- **1990s** — Worked as a database administrator at Morgan Stanley, building deep data-management expertise.
- **1990s** — Founded Memco Software (NASDAQ: MEMCF), which grew to a successful IPO.
- **2000s** — Co-founded and led WebCollage, a cloud e-commerce content syndication company later acquired by Answers.com.
- **2010s** — Served as President at Qualitas Health and CEO at Zizio.
- **2012** — Co-founded JethroData in Israel to build an index-based SQL engine for Hadoop.
- **2013** — JethroData raised $4.5M led by Pitango Venture Capital.
- **2014** — JethroData announced a private beta of its index-based SQL engine for Hadoop.
- **2015** — Company raised $8.1M Series B led by Square Peg Capital with Pitango; rebranded to Jethro.
- **2016-2020** — Continued as President of Jethro, positioning it as a BI-on-Hadoop acceleration layer for Tableau, Qlik and MicroStrategy.

## Achievements

- Founded Memco Software and led it to a NASDAQ IPO.
- Co-founded and led WebCollage, later acquired by Answers.com.
- Co-founded Jethro and helped raise more than $12M across seed and Series B rounds.
- Pioneered an index-based, fully-columnar SQL engine for Hadoop that delivered sub-second queries on tens of billions of rows.
- Built a BI-on-Hadoop acceleration layer compatible with leading BI tools without requiring data migration.

## Latest updates

- **2015-06** — Jethro closed an $8.1M Series B led by Square Peg Capital to expand its SQL-on-Hadoop platform.

## Links

- Website: https://jethro.io
- LinkedIn: https://www.linkedin.com/in/singereli
- Twitter/X: https://twitter.com/jethrodata
- YouTube: https://www.youtube.com/watch?v=jNk2CZVpRoI
- Facebook: https://www.facebook.com/singer.eli/

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Profile page: https://yespress.io/eli-singer
Published by YesPress — https://yespress.io
Last updated: 2026-07-17