The Sejong Institute held a workshop on Korea-China-Japan Trilateral Cooperation with the sponsorship of the Ministry of Foreign Affairs on August 24, 2018. With the purpose of promoting the participation for the thesis competition on the trilateral cooperation, The workshop invited three special guest speakers – Prof. Jae-seung Lee from Korea University, Prof. Yong-ho Kim from KNDU, Prof. Jung-hwa Shin from Dongseo University- and covered issues on the economic and security situation in Northeast Asia, cultural differences of the three countries, and ways to improve thesis writing skills.