---
title: "Alex Rak"
description: "Alex Rak is Callstack's CFO, leading financial strategy, reporting, budgeting, and liquidity management, with over 20 years of international experience."
url: https://www.callstack.com/team/alex-rak
updated: 2026-10-22T14:18:27.920Z
---

# Alex Rak

Alex Rak is Callstack's CFO, leading financial strategy, reporting, budgeting, and liquidity management, with over 20 years of international experience.

_CFO_

Company's CFO, responsible for financial strategy, reporting, budgeting, and liquidity management. With over 20 years of financial experience spanning audit, corporate finance, and venture capital across Poland, Spain, and China, he brings an international perspective to building scalable financial infrastructure in a high-growth tech environment. Privately seasoned international traveler and board games fan, who feels equally at home in Wrocław and on the other side of the world. Most recently in love with his dog, who now manages his free time and vacations.

[LinkedIn](https://www.linkedin.com/in/aleksander-rak/)

JOIN US

## Build the AI-native React Native future

Work with engineers who contribute to the ecosystem and turn new technology into real products. At Callstack, AI is part of how we build, learn, and ship software.

[Join Us](https://www.callstack.com/careers)

[About us](https://www.callstack.com/about-us)
