Alfred Sim Chee Hao (born 4 October 1981) is a Singaporean singer, athletics coach and occasional actor.
Sim also participated in Guinness Live, a competition "to find the next William Scorpion",[2] representing Team Firefly, along with Howie Yeo, Willis Loye and Yee Si Ling, managed by Fatt Zhai.
In 2013, Sim sung the theme song of television series The Journey: A Voyage, entitled 家乡 (Homeland).
[6] On 27 February 2016, Sim headlined alongside Zhang Kefan, Allan Moo, Guan Dehui & Desmond Ng for the High 5 Power Concert at the Resorts World Theatre.
In December 2016, Sim and Tay Kewei represented Singapore at the China-ASEAN Friendship Concert in Hainan, singing their original duet "以爱为豪".
[11][12] In September 2017, Sim performed at the Stärker Music Carnival 2017 which headlined Taiwanese vocal powerhouse, A-Lin.