# Andrew Antos

> Andrew Antos is the Czech-born Founder and CEO of Klarity, a San Francisco-based AI platform that automates document-intensive workflows for enterprise finance and accounting teams. Born in Brno one year before communism fell, he grew up in a family of scientists, studied law in Europe, then pivoted to entrepreneurship after Harvard Law School and an MIT startup course. He co-founded Klarity in 2017 with Nischal Nadhamuni, raised $90M+ from Y Combinator, Scale Venture Partners, Nat Friedman, and Daniel Gross, and counts DoorDash, Zoom, Cloudflare, and OpenAI among his customers. Klarity's AI platform achieves 82%+ pass-through rates on contract and invoice processing, reduces month-end close by 2-3 days, and automates up to 87% of manual finance work.

- **Role:** Founder & CEO at Klarity
- **Organizations:** Klarity, Y Combinator, Harvard Law School, Squire Patton Boggs
- **From:** Brno, Czech Republic
- **Nationality:** Czech
- **Education:** LL.M. / Master's in Entrepreneurship, Venture Capital & Law, Harvard Law School, Law (undergraduate), Masaryk University (Brno, Czech Republic), New Enterprises course (15.390), MIT Sloan (cross-registered)
- **Known for:** Raised $90M+ total funding including $70M Series B in 2024, Built Klarity to serve 50+ of the world's largest SaaS companies including DoorDash, Zoom, Cloudflare, OpenAI, Achieved 82%+ automation pass-through rate for enterprise document processing

## Career timeline

- **pre-2016** — Studied law at Masaryk University, Czech Republic; served as senator in academic senate; interned at Czech government office working on open data legislation
- **2015-2016** — Worked at Squire Patton Boggs (Washington D.C.) in technology M&A and IT licensing
- **2016-2017** — Attended Harvard Law School LL.M. program; cross-registered in MIT Sloan New Enterprises course where he met co-founder Nischal Nadhamuni
- **2017** — Co-founded Klarity with Nischal Nadhamuni; initially targeting legal document automation for law firms
- **2018** — Accepted into Y Combinator (after being rejected twice)
- **2017-2019** — Operated in consulting mode, building disparate solutions while awaiting AI market maturation
- **2020** — Pivoted to accounting and finance automation; found product-market fit with enterprise customers including CrowdStrike and DoorDash
- **2022** — Raised $18M Series A; customers include Coupa, 8x8, DoorDash; featured in MIT Sloan Ideas Made to Matter
- **2024** — Raised $70M Series B led by Nat Friedman and Daniel Gross with Scale Venture Partners; total funding reaches $90M+
- **2025** — Launched Klarity 4.0 in Palo Alto keynote; expanded platform to include Analyst, Advisor, and Coach capabilities
- **2026** — Spoke at Gartner Finance Symposium/Xpo; Klarity serves 50+ leading SaaS companies

## Achievements

- Raised $90M+ total funding including $70M Series B in 2024
- Built Klarity to serve 50+ of the world's largest SaaS companies including DoorDash, Zoom, Cloudflare, OpenAI
- Achieved 82%+ automation pass-through rate for enterprise document processing
- Customers reduce monthly accounting close by 2-3 days
- Platform automates up to 87% of time previously spent on document review
- Customers have reduced document review volumes by 98% (from 2,200 to ~100 monthly documents)
- One customer reduced a 60-day process to three days
- Y Combinator alumni (W18)
- Accepted to YC after two prior rejections - a testament to persistence

## Latest updates

- **2026-05** — Scheduled to speak at Gartner Finance Symposium/Xpo and SuperReturn Operating Partners North America (March 2027)
- **2026-04** — Co-authored 'The CFO's Practical Guide to Building an AI-Native Finance Function' with Nischal Nadhamuni
- **2025-09** — Launched Klarity 4.0 in Palo Alto with new Analyst, Advisor, and Coach capabilities; co-authored The Klarity Manifesto
- **2024-06** — Closed $70M Series B led by Nat Friedman and Daniel Gross; total funding reaches $90M+
- **2024-06** — Klarity expands beyond finance automation to enterprise-wide AI transformation platform

## Links

- Website: https://klarity.ai
- LinkedIn: https://www.linkedin.com/in/andrewantos/
- Twitter/X: https://twitter.com/tryklarity
- Facebook: https://facebook.com/klaritylaw/

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Profile page: https://yespress.io/andrew-antos
Published by YesPress — https://yespress.io
Last updated: 2026-05-27