한 Sunghak Sunghak (성학) was a South Korean Male Artist. He started in group Bigstar. He retired in 2019. Read All General Information International Stage Name : Sunghak Domestic Stage Name : Pronounce 성학 Full Name : Jung Sunghak Pronounce Full Domestic Name : Pronounce 정성학 Date of Birth : 1993-01-16 (age 33) Zodiac : Capricorn Country of Birth : South Korea Related Artists : Bigstar - Vocal,Rapper Artist retired : 2019 Original group : Bigstar (No longer a member) Images