Hong Kong ID holder Mr Choi Chun Wai commenced his jockey career in 1990 and rode in Hong Kong until 1998. During which he was the Champion Apprentice in the 1991/1992 season.

He was granted a jockey license with the Macau Jockey Club from year 2000 until 2011. He was then employed by MJC as Stable Supervisor for trainer G Allendorf between 2011 to 2014. In season 14/15 he was promoted to assistant trainer to trainer G Allendorf, a position he has held up to September 2018 when he was granted Trainer License.

Mr Choi amassed with him 28 years of experience in horse racing and is a hands on horseman. In his tenure as Assistant Trainer to trainer Mr G Allendorf, notably the team won the Group One Macau Derby 2016 and Chairman Challenge Cup 2017.