Otherwise known as Young K, he is a member of the K-pop rock band Day6 formed by JYP Entertainment. Day6 made their debut in September 2015 with the mini-album The Day.
He began his career in 2010 under the name Brian Kang as a member of a musical trio known as 3rd Degree in Toronto, Canada.
In 2014, he became a member of 5Live; but their debut was cancelled and later reformed as Day6.
Though a native of South Korea, he has also lived in Canada.
He is joined by Park Sungjin in Day6.