The International Grid Service Market Symposium, GSM 2024, will be held in Lucerne, Switzerland. It aims to address challenges and solutions in European electricity grids and markets, focusing on integrating renewable energy sources. Attendees are encouraged to participate in person for networking and idea exchange. GSM 2024 is associated with the European Electrolyser and Fuel Cell Forum, which will discuss grid service market developments and technological progress. The symposium aims to explore new technologies and methods for grid services and optimize existing infrastructure in the electricity industry.