# You Mon Tsang

> You Mon Tsang is the Washington, D.C.-based co-founder and CEO of ChurnZero. A Yale urban studies graduate and Berkeley MBA, he moved from urban planning into software, founded ventures including Milktruck, Biz360, Boxxet, and Engine140, and held product, marketing, and general management roles at Vocus before founding ChurnZero with Mark Heys in 2015. His work focuses on giving customer teams the data and tools to support adoption, retention, and growth.

- **Role:** Co-Founder & CEO at ChurnZero
- **Organizations:** ChurnZero, Vocus, OutMarket, Milktruck, Biz360, Boxxet, Engine140, Brio Technology, Xerox, Traveling Software, Regional Plan Association
- **Education:** Milton Academy, BA, Urban Studies, Yale University, MBA, University of California, Berkeley, Haas School of Business
- **Known for:** Co-founded ChurnZero in 2015 with Mark Heys., Founded software ventures including Milktruck, Biz360, Boxxet, and Engine140., Led ChurnZero through a $25 million Series B led by JMI Equity in 2021.

## Career timeline

- **1988-1990** — Worked as a project manager at Regional Plan Association before moving into technology.
- **1992-1995** — Product management roles at Brio Technology and Xerox.
- **1995** — Founded Milktruck, an offline web browsing venture subsequently acquired by Traveling Software.
- **2000** — Began Biz360, a marketing and communications measurement company; later served in executive and board roles.
- **2006** — Became CEO of content aggregation company Boxxet.
- **2010** — Founded social marketing company Engine140; joined Vocus as senior vice president of products in December.
- **Before 2015** — Served as Vocus chief marketing officer and CEO of its OutMarket marketing automation business unit.
- **2015** — Co-founded ChurnZero with Mark Heys.
- **2021** — ChurnZero raised a $25 million Series B led by JMI Equity; Tsang was an EY Entrepreneur Of The Year Mid-Atlantic finalist.
- **2022** — Named an EY Entrepreneur Of The Year Mid-Atlantic finalist for a second consecutive year.
- **2026** — Public interviews addressed AI, customer growth, and the limits of his leadership style.

## Achievements

- Co-founded ChurnZero in 2015 with Mark Heys.
- Founded software ventures including Milktruck, Biz360, Boxxet, and Engine140.
- Led ChurnZero through a $25 million Series B led by JMI Equity in 2021.
- EY Entrepreneur Of The Year Mid-Atlantic finalist in 2021 and 2022.
- Authored a Harvard Business Review article on customer retention, published May 12, 2023.

## Latest updates

- **2026-09** — Discussed AI uncertainty, customer context, and the changing advisory role of customer success managers in a September 21 MarTech360 interview.
- **2026-05** — Appeared on Your Leadership Podcast; described his management approach as “lead dog” and acknowledged its scaling limits.
- **2026-04** — Announced the call for speakers for ZERO-IN 2026, scheduled for November 5-6 in Nashville.
- **2026-03** — Appeared on the March 27 SaaS Backwards episode “Why SaaS Growth Now Starts After the Sale.”

## Links

- Website: https://churnzero.com/
- LinkedIn: https://www.linkedin.com/in/youmon
- Twitter/X: https://twitter.com/youmon

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Profile page: https://yespress.io/you-mon-tsang
Published by YesPress — https://yespress.io
Last updated: 2026-10-12