Guillaume Lebedel

Guillaume Lebedel is a French software engineer and entrepreneur based in London, England. He is the Co-founder and CTO of StackOne, a company building a universal integration layer for SaaS and AI agent use cases. He is active on X as @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