Guillaume Duhan CTO & Founder Get in touch ↗

Builder.
Leader.
Teacher.

CTO & Founder. Behind a $2B+ fund platform. Founder with an exit. Teacher to 5 million developers.

Guillaume Duhan Guillaume Duhan, 2026
01 $2B+ Assets on the platform I lead
02 €1M+ Agency built from zero
03 5M+ Developers taught
04 180K+ YouTube subscribers
05 200+ Engineers led across my career
06 15 Years building in tech
Built, led & advised at
Google Supabase Brevo TotalEnergies Zalando Malt Resend Dub Allocations.com
(01) About

Product engineer.
Tech voice.
Inspiration.

CTO of Allocations.com, a fund administration platform managing $2B–$3B+ across 1,800+ funds and 30,000+ investors. 200+ engineers led across my career.

Raised €800K for Koachub and sold it in 2023. Tech Lead at Google. Rebuilt ~30 apps for TotalEnergies. Built a €1M+ agency as a top 1% freelancer on Malt.

Advisor to CEOs and CTOs at Supabase, Malt, Resend and Dub.

(02) Track record

Selected roles

Business- and product-first.
2023 — Now Allocations.com CTO

Strategy, architecture, AI and security for 1,800+ funds and 30,000+ investors. ~50% less code complexity, ~80% faster processing.

2022 — 2023 Koachub Co-Founder & CTO

Sports events & live-ops platform. Raised €800K, owned product-engineering from zero to acquisition.

2019 — 2021 Google Tech Lead

Led 8 engineers across technology and pedagogy to deliver digital-skills programs at scale.

2012 — 2021 My Happy Agency Founder · Top 1% on Malt

€1M+ agency, 100+ clients incl. Brevo and TotalEnergies — ~30 apps rebuilt onto one platform.

(03) CodewithGuillaume

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