Thomas Ducker

Thomas Ducker is an experienced sales professional currently serving as the Sales Director for Infrastructure at GRESB since August 2025. Previously, Thomas held the position of Client Relations Sales Manager at Morningstar Sustainalytics from April 2022 to June 2025 and served as Institutional Sales Manager at GRESHAM HOUSE PLC from October 2018 to September 2020. Earlier roles include Client Relationship Manager at M&G Investments, where Thomas was part of the Discretionary Sales Team, and Management Consultant at Kurt Salmon, part of Accenture Strategy. Additional experience includes internships at Credit Suisse and Danone: Nutricia Medical Nutrition. Thomas holds a Bachelor of Arts in Philosophy from the University of Bristol and completed A Levels at Magdalen College School: Oxford.