2018 hosted by Earth-Life Science Institute (ELSI), Tokyo

2019 hosted by Earth-Life Science Institute (ELSI), Tokyo

2020 - cancelled due to COVID-19

2021 hosted by Earth-Life Science Institute (ELSI), Tokyo (virtual)

2022 hosted by Okinawa Institute of Science and Technology (OIST), Okinawa (hybrid)

2023 hosted by Okinawa Institute of Science and Technology (OIST), Okinawa

2024 hosted by Kyushu University, Fukuoka

2025 hosted by Earth-Life Science Institute (ELSI), Tokyo - joint symposium PCST