The Network for the Public Communication of Science and Technology (PCST) has announced the results of its inaugural PCST Award competition, recognizing exceptional contributions to the advancement of science communication as a professional field. The top prize was awarded to Professor Bruce Lewenstein of Cornell University (USA), honoring his decades-long impact on science communication research, education, and professional infrastructure worldwide. Susana Herrera-Lima (Mexico) and Toss Gascoigne (Australia) were named runners-up for their transformative work in building science communication capacity and influence in their respective regions and worldwide. The PCST Award is generously supported by the GIST Graduate School of AI Policy and Strategy (Republic of Korea). The winner received a cash prize of 1,500 USD, and each runner-up received 700 USD.