• 2025: Norrköping, Sweden
• 2024: Philadelphia, PA, United States
• 2023: Copenhagen, Denmark
• 2022: Chicago, IL, United States
• 2021: Zurich, Switzerland
• 2020: Boston, MA, United States
• 2019: Amsterdam, Netherlands
• 2018: Evanston, IL, United States
• 2017: Cologne, Germany
• 2016: Evanston, IL, United States
• 2015: Helsinki, Finland