Hsin-Hsin Fan possesses extensive experience in engineering and sustainability, currently serving as a Commercial Engineer at ROSI - Return of Silicon since November 2021. Previously held the position of External Relations Coordinator for the REGEN project from June 2020 to December 2021 and completed a Life Cycle Assessment Internship at ROSI from January 2021 to July 2021. In December 2019, Hsin-Hsin Fan collaborated with the Delta Electronics Foundation as an Observer at COP25, contributing to event reporting and publishing an article on the MRV system. Additional experience includes working as a Teaching Assistant at 國立清華大學 for a course on Kinetic Process of Materials. Hsin-Hsin Fan's educational background is robust, with multiple master's degrees from institutions such as Eindhoven University of Technology, EIT InnoEnergy, Universitat Politècnica de Catalunya, and Esade, alongside a bachelor's degree in Engineering and System Science from National Tsing Hua University.