Seo Kyoung-Duk (; Hanja:å¾Âå°德, born 25 May 1974) is a South Korean social activist. Seo is a counselor at the Presidential Council on Nation Branding. Seo is a professor in Sungshin University and the creator of âÂÂDokdo Schoolâ (), an educational institution with a strong patriotic orientation. Professor Seo criticizes Japan on comfort women and Liancourt Rocks disputes and actively involves in Sino-Korean cultural disputes.
In 2021, he placed an ad in The New York Times, saying that "Korea's Kimchi, It's for Everyone.".
In 2025, called for a strong sentence against streamer Johnny Somali, who was on trial in South Korea to discourage others from engaging in similar behavior.