# Mark Heys

> Mark Heys is the cofounder and chief technical officer of ChurnZero, a customer-success software company founded in 2015. His career runs from building point-of-sale applications in the early Windows era, through a 16-year stretch helping Vocus develop and move into software as a service, to creating a platform around a problem he and cofounder You Mon Tsang encountered firsthand: companies could study prospects in detail but struggled to see what existing customers needed before they left.

- **Role:** Chief Technical Officer and Cofounder at ChurnZero
- **Organizations:** ChurnZero, OutMarket, Vocus, T4G Limited, Definitive Ideas
- **From:** England, United Kingdom
- **Education:** Computer Science, University of Toronto
- **Known for:** Cofounded ChurnZero in 2015 after identifying a lack of data-driven tools for customer-success teams., Led software development at Vocus from 1998 and became its chief technology officer in 2008., Was named as a co-inventor on the granted European patent EP2869200B1 for web browser tracking.

## Career timeline

- **1992-1995** — Founded and served as CEO of Definitive Ideas, a software company focused on point-of-sale applications.
- **1996-1998** — Worked as development manager at T4G Limited.
- **1998-2008** — Led product development at Vocus, joining as vice president of research and development and helping guide its move toward SaaS.
- **2008-2014** — Served as chief technology officer of Vocus.
- **2014-2015** — Served as chief technology officer of OutMarket.
- **2015-present** — Cofounded ChurnZero and has served as its chief technology officer; he is also listed on the company's board.
- **2019** — ChurnZero completed a SOC 2 Type 2 audit; Heys publicly emphasized the privacy and security of customer data.
- **2021** — ChurnZero raised a $25 million Series B led by JMI Equity, bringing reported total funding to $35 million.

## Achievements

- Cofounded ChurnZero in 2015 after identifying a lack of data-driven tools for customer-success teams.
- Led software development at Vocus from 1998 and became its chief technology officer in 2008.
- Was named as a co-inventor on the granted European patent EP2869200B1 for web browser tracking.
- Serves as a director on ChurnZero's board in addition to his CTO role.
- Helped build ChurnZero through a $25 million Series B financing in 2021.

## Latest updates

- **2026-09** — ChurnZero's current leadership page continued to list Heys as chief technical officer, cofounder and a member of the board.
- **2024-12** — Ahead of ChurnZero's tenth year, Heys highlighted recognition earned by the company's product and customer-success teams in a LinkedIn post.

## Links

- Website: https://churnzero.com
- LinkedIn: https://www.linkedin.com/in/markheys

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Profile page: https://yespress.io/mark-heys
Published by YesPress — https://yespress.io
Last updated: 2026-09-27