Zach Koser

Zach Koser is an experienced professional in ESG and sustainability advisory roles, currently serving as the Manager of the US Advisory Team at Holtara since November 2023. Prior experience includes a Senior Associate position at Sustainalytics, and a Manager role in ESG and Climate Advisory at EY-Parthenon. Zach also worked as a Consultant for Pure Energy Partners and held a fellowship with the Circular Carbon Network, focusing on transforming waste CO2 into valuable assets. Academic credentials include an MBA from the Cornell Johnson Graduate School of Management, a Master of Science in Environmental Policy and Sustainability Management from The New School, and a Bachelor of Arts in History from Davidson College. Additionally, Zach completed the "Core: Credential of Readiness" program at Harvard Business School Online.