Daniel Zhou, known also as Zhou Ke Yu, was born in the U.S. on May 17, 2002. He is a member of the Chinese group BEST, which debuted on 12 December 2019, and his first acting appearance was in the drama "Remember My Boy" in 2021 as the main lead, Zhang Yang. On March 1, 2021 his first single 'R.O.T.Y' was released.

In 2021, he participated in the Tencent survival show 'Produce Camp 2021' as a contestant, where he ranked 10th. On April 24 2021, he re-debuting as the member of the International boy group, INTO1.

周柯宇，本名周丹尼尔，2002年5月17日出生于美国，美国华裔男歌手、影视演员，男子演唱组合BEST成员。