Guillaume Oum Koechlin
Analyst
Guillaume joined Ansa in 2025.
Before joining Ansa, he gained experience in sustainability through work with international organisations such as UNIDO, in consulting, and NGOs. His background covers ESG strategy, supply chain sustainability, and sustainable urban development, with a particular interest in how green infrastructure supports the transition to resilient and low-carbon economies.
Guillaume spent his early years in Cambodia before continuing his education in Europe, studying in France and the United Kingdom. He holds an MSc in Global & Sustainable Business from EDHEC Business School, following previous education in Law, Economics, and Management.
Motivated by the challenges of climate change, he joined Ansa to help companies create sustainable value and accelerate their transition toward more resilient business models.