S.Star Artiste Management (2016-2019) Media Asia Group (2011–2015) Justin Lo Ting Wei (Chinese: 羅定偉, born 1 July 1976), known professionally by his stage name Jak Teen (Chinese: 側田), is a Hong Kong American singer-songwriter, actor and record producer working in Hong Kong.

[2] Lo was born in Syracuse, New York,[3][4] and moved to Hong Kong with his parents when he was two years old.

His uncle, Ted Lo, is a famous music arranger and record producer in Hong Kong.

In addition, the singer songwriter was a member in the Hong Kong Children's Choir, and he developed vast interest in music as he was growing up.

In 1981, composer Joseph Koo Ka-Fai invited Justin, aged 5 at the time, and his younger sister Roxane to sing in a commercial for Barbie.

was very boring, so he decided to move back to Hong Kong to pursue his dream of making music.

In 2006, Lo made his feature film debut with Love @ First Note, co-starring alongside youthful singers such as Kary Ng, Alex Fong, Stephy Tang, and Theresa Fu.

For a while Lo did some freelance design work while sending numerous demo tapes to record and label companies.

In 2003, his uncle Ted Lo introduced him to Mark Lui, one of the most popular pop-composers and producers in Hong Kong.

He produced the album Day & Night for Janice (衛蘭) and wrote two songs "大雄" and "傷追人" for Leo Ku.

Justin released his second album, "No Protection", on 24 March 2006, two days before his debut concert "One Good Show".

He stated that he will continue to release Cantonese albums, but will now be based in Beijing rather than Hong Kong.

[2] Once in Beijing, Justin also released his first Mandarin songs, including "很想很想說再見" and "風從哪裡來", in which the former was highly praised as one of his best works.