Yang Hong-seok (Korean: 양홍석) is a South Korean singer. He is a member of the South Korean boy group Pentagon, signed under Cube Entertainment. He can speak Korean, Chinese, English.
Hongseok was born in Seoul, South Korea. He has an older brother named Jun-seok. He studied abroad in the United States, China, and Singapore and has lived outside of South Korea for a total of 11 years. From 2007 to 2010, he was a student at Hwa Chong International School in Singapore, where he was the school's top swimmer
