In 2019 and 2022, organizations in South Korea invited ESJF co-founder Sung Sohn and educators in the San Francisco Bay Area to an international symposium and forum on the theme of preserving the history of military sexual slavery by Japan before and during WWII. On both occasions, ESJF educators actively sought a broader scope of study on South Korean history and culture. Their interest and dedication became the foundation of ESJF's Study Tour.