---
title: Guillaume Lebedel
description: Co-founder and CTO of StackOne; universal integration layer for SaaS and AI agents
category: People
---

# Guillaume Lebedel

![Guillaume Lebedel](https://github.com/glebedel.png)

**Guillaume Lebedel** is a French software engineer and entrepreneur based in London, England. He is the **Co-founder and CTO of [StackOne](https://stackone.com)**, a company building a universal integration layer for SaaS and AI agent use cases. He is active on X as [@glebedel](https://x.com/glebedel).

## Career

Lebedel holds a Master's degree in Computer Science from **EPITECH** (European Institute of Technology) and studied additionally at California State University, Long Beach. He began his career in A/B testing and analytics at Oracle/Maxymiser.

He rose to **VP of Engineering at Yieldify** (2018–2023), leading global engineering and technical support teams. When Yieldify was acquired by Epsilon, Lebedel and his co-founder used the transition to co-found **Upper.ai** (a data-driven consulting venture) and subsequently launch StackOne.

**StackOne** (founded March 2023, London) provides an AI-powered platform enabling developers to build real-time, enterprise-grade integrations for SaaS and AI agent use cases. The company has raised **$24.4M** from Google Ventures (GV) and Episode 1 Ventures.

## Connection to Jan

Jan was contacted by StackOne following his X activity in early 2025. Jan attended a meeting and declined a full-time offer to join the company, preferring to continue independent work.

## See Also

- [[Jan_Wilmake]]
- [[Soham_Ganatra]]