Susanne Halling Duffy co-leads the World Water Week & Prizes department and heads up Marketing, Partnerships, Stockholm Water Prize and Stockholm Junior Water Prize. She joined SIWI in 2021 as Head of Partnerships and External Relations, World Water Week & Prizes, and served as Acting Director during 2023 leading the department to deliver the annual World Water Week event.

Susanne brings 20 years of international external relations experience from New York where she led development strategy at United Way, corporate relations at City University of New York and programs at Foreign Policy Association. She has also served as consultant, workshop facilitator and speaker on partnership development and fundraising. Immediately prior to joining SIWI, Susanne completed an external relations project for Mälardalen University in Sweden. She studied Political Science at City University of New York, Hunter College Honors Program.