# Barr Moses

> Barr Moses is the co-founder and CEO of Monte Carlo, the company that created the data observability category and built one of the first end-to-end platforms for catching what she named 'data downtime' - the stretches when data is wrong, missing, or simply not trustworthy. A Stanford-trained mathematician and former Israeli Air Force intelligence data unit commander, she went from Bain consulting and a VP role at Gainsight to building a data reliability company valued at $1.6 billion. She co-authored O'Reilly's 'Data Quality Fundamentals' and is one of the most cited voices on why enterprises should treat broken data like broken software.

- **Role:** Co-Founder & CEO at Monte Carlo
- **Organizations:** Monte Carlo, Gainsight, Bain & Company, Israeli Air Force
- **Nationality:** Israeli-American
- **Education:** B.Sc. in Mathematical and Computational Science, Stanford University
- **Known for:** Created and named the data observability category, Coined the term 'data downtime', Built Monte Carlo into a data reliability company valued at $1.6 billion

## Career timeline

- **Early career** — Research assistant in the Stanford Statistics Department
- **Military service** — Commander of an intelligence data analyst unit in the Israeli Air Force
- **Consulting** — Management consultant at Bain & Company
- **Pre-founding** — VP of Customer Operations at Gainsight; helped grow revenue 10x and built the customer data and analytics team
- **2019** — Co-founded Monte Carlo with Lior Gavish; coined the term 'data downtime'
- **2021** — Co-authored O'Reilly's 'Data Quality Fundamentals: Building Reliable Data Pipelines'; raised Series C
- **2022** — Raised $135M Series D led by IVP at a $1.6B valuation, reaching unicorn status

## Achievements

- Created and named the data observability category
- Coined the term 'data downtime'
- Built Monte Carlo into a data reliability company valued at $1.6 billion
- Raised $236M in total funding within roughly 20 months
- Co-authored O'Reilly's 'Data Quality Fundamentals: Building Reliable Data Pipelines'
- Helped grow Gainsight revenue 10x as VP of Customer Operations

## Latest updates

- **2022-05** — Monte Carlo raised a $135M Series D led by IVP at a $1.6B valuation, becoming a unicorn.

## Links

- Website: https://www.montecarlodata.com
- LinkedIn: https://www.linkedin.com/in/barrmoses/
- Twitter/X: https://x.com/BM_DataDowntime

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Profile page: https://yespress.io/barr-moses
Published by YesPress — https://yespress.io
Last updated: 2026-06-14