# Tamas Cser

> Tamas Cser is the founder and CEO of Functionize, a San Francisco-based AI-powered test automation platform that has raised $60M+ and grown to $17.3M ARR. A former child violin prodigy who toured the world before pivoting to software, Cser spent nearly a decade running a consulting firm before founding Functionize in 2014 with a singular obsession: making enterprise software testing autonomous. Under his leadership, Functionize has grown to 120 employees, landed marquee customers including Salesforce, and logged over one billion agentic AI actions in 2024 alone.

- **Role:** Founder & CEO at Functionize
- **Organizations:** Functionize, DST, DigiSmart, Diagnose Early (board member)
- **From:** Budapest, Hungary
- **Nationality:** Hungarian-American
- **Education:** Bachelor of Music (BM), University of Rochester, Master of Music (MM), San Francisco Conservatory of Music, Special program with Professor Michael Frischenshlager, University for Music and Performing Arts, Vienna
- **Known for:** Built Functionize from a side project to a $17.3M ARR enterprise AI company with 120 employees, Raised $60M+ total funding including a $41M Series B in August 2025, Landed Salesforce as an early major enterprise customer, validating the platform

## Career timeline

- **pre-2000** — Grew up in Budapest, Hungary under communist regime; began violin studies as a child prodigy
- **~2000** — Immigrated to the United States at age 19; enrolled at University of Rochester for music
- **early 2000s** — Completed Master of Music at San Francisco Conservatory; toured the world as a performing violinist
- **late 1990s-2000s** — Learned computing and web development to support himself financially during college; shifted from music to technology
- **2006** — Founded DST, a rapid software development and consulting company in the San Francisco Bay Area
- **~2014** — Created DigiSmart, a Flash-based dynamic website builder SaaS product
- **Fall 2013** — Wrote the first lines of code for what would become Functionize
- **2014** — Founded Functionize to solve the software testing bottleneck he experienced at his consulting firm
- **2015** — Launched the Functionize platform publicly
- **2019** — Closed $16M Series A led by Canvas Ventures; Functionize hit $2.2M in annual revenue
- **2019** — Wound down DST consulting firm to focus full-time on Functionize
- **2024** — Functionize grew to $17.3M ARR and 36 enterprise customers; platform logged over 1 billion agentic AI actions
- **October 2024** — Launched Functionize Platform 6.0 with intelligent AI agents for autonomous test generation and self-healing
- **July 2025** — Functionize recognized in Forrester's Autonomous Testing Platforms Landscape Report
- **August 2025** — Closed $41M Series B led by Mumford Investments and LHH Investments

## Achievements

- Built Functionize from a side project to a $17.3M ARR enterprise AI company with 120 employees
- Raised $60M+ total funding including a $41M Series B in August 2025
- Landed Salesforce as an early major enterprise customer, validating the platform
- Platform logged over 1 billion agentic AI actions by enterprise customers in 2024
- Helped customers reduce test maintenance costs by up to 90% and achieve 10x productivity gains
- Recognized in Forrester's Autonomous Testing Platforms Landscape Report (Q3 2025)
- Pioneered AI-powered autonomous testing as a software category
- Successfully transitioned from classical violinist to tech founder and CEO
- Board member at Diagnose Early
- Grew company revenue from $2.2M (2019) to $17.3M (2024) - nearly 8x growth in 5 years

## Latest updates

- **2025-08** — Closed $41M Series B round led by Mumford Investments and LHH Investments, with Canvas Ventures and Wipro Ventures participating
- **2025-07** — Functionize recognized in Forrester's Autonomous Testing Platforms Landscape Report (Q3 2025)
- **2024-10** — Launched Functionize Platform 6.0 with AI agents that generate, execute, and self-heal tests
- **2024-12** — Functionize logged over 1 billion agentic AI actions in 2024; grew to $17.3M ARR and 36 enterprise customers

## Links

- Website: https://functionize.com
- LinkedIn: https://www.linkedin.com/in/tamascser/
- Twitter/X: https://twitter.com/functionize
- Facebook: https://facebook.com/Functionize

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Profile page: https://yespress.io/tamas-cser
Published by YesPress — https://yespress.io
Last updated: 2026-05-22