2007 – 1st World Conference, Seoul, Korea — Chair: Kim Ye Ja

2008 – 2nd World Conference, Pocheon, Korea — Chair: Kim Ye Ja

2009 – 3rd World Conference, Seoul, Korea — Chair: Kim Ye Ja

2010 – 4th World Conference, Seattle, USA — Chair: Kim Ye Ja

2011 – 5th World Conference, Incheon, Korea — Chair: Chun Soon Bok

2012 – 6th World Conference, Deoksan, Korea — Chair: Chun Soon Bok

2013 – 7th World Conference, Seoul, Korea — Chair: Eun Young Jae

2014 – 8th World Conference, Busan, Korea — Chair: Eun Young Jae

2015 – 9th World Conference, Seoul, Korea — Chair: Jung Kyung Ok

2016 – 10th World Conference, Jeju, Korea — Chair: Jung Kyung Ok

2017 – 11th World Conference, Seoul, Korea — Chair: Jung Myung Ryul

2018 – 12th World Conference, Seoul, Korea — Chair: Jung Young Ryul

2019 – 13th World Conference, Seoul, Korea — Chair: Jung Naomi

2020 – 14th World Conference, Online — Chair: Jung Naomi

2021 – 15th World Conference, San Francisco, USA — Chair: Jung Naomi

2022 – 16th World Conference, Seoul, Korea — Chair: Moon Jung Kyun

2023 – 17th World Conference, Incheon, Korea — Chair: Moon Jung Kyun

2024 – 18th World Conference, Seoul, Korea — Chair: Park Sarah

2025 – 19th World Conference, Incheon, Korea — Chair: Park Sarah

2026 – 20th World Conference, Gangneung, Korea — Chair: Kim Soon Bok