Du Junyeol (M) started teaching students at Induk University after working at Samsung group. He also lectures at companies about communication and conflict resolutions.

He is an advisor to Daddy Play School, a gathering of dads wanting to become good dads, and was part of the writing staff for Games Played with Dads. He also acted as one of the 100 Dads for "Do Mothering," a childbirth promotion campaign conducted by the Ministry of Health and Welfare. He started to like to sketch while drawing pictures of insects for his son. He and his son worked with Urban Sketchers (USK) Saint Petersburg members in Russia. At present, he is preparing for his own sketch exhibition.