한 Seongsoo Seongsoo (성수) is a South Korean Male Artist. He started in group BECZ. Read All General Information International Stage Name : Seongsoo Domestic Stage Name : Pronounce 성수 Previous Stage Name : Alek Previous Hangul Stage Name : 알렉 Full Name : Park Seongsoo Full Domestic Name : Pronounce 박성수 Date of Birth : 1999-04-07 (age 27) Zodiac : Aries Country of Birth : South Korea Related Artists : BECZ - VocalABLUE - Vocal Original group : BECZ (No longer a member) Images