한 Jeong Seunghwan Jeong Seunghwan (정승환) is a South Korean Male Artist. He started in group ATBO. Read All General Information International Stage Name : Jeong Seunghwan Domestic Stage Name : Pronounce 정승환 Full Name : Jeong Seunghwan Pronounce Date of Birth : 2004-01-27 (age 22) Zodiac : Aquarius Country of Birth : South Korea Related Artists : ATBO Original group : ATBO Images