Kang Deok-boo was born on July 12, 1952, in Jeju, South Korea. He taught politics, economics, and social studies at Jeju middle·High School for 34 years. During his tenure, he had a deep interest in reunification education for high school students and developed the \"Jeju middle·High School Reunification Quiz Contest\" program in 1998. He was awarded the Minister of Unification Prize (2000) and the Presidential Commendation (2010) for beinged as an excellent individual in reunification education through the "School Reunification Education Best Practice Contest" conducted by the Ministry of Unification to promote the activation of reunification education in schools in response to the era of inter-Korean cooperation.
After retirement, he has been active for 10 years as a member of the Jeju City Council of the Peaceful Unification Advisory Council, which he was appointed to during his tenure, and as a social reunification lecturer for the Ministry of Unification and a Vice-President of the Jeju Institute for Korean Reunification