Leslie has been fighting since 2009 and earned these titles :

- 2009 Champion of Hong Kong SANDA
- 2011champion of the Hong Kong Amateur Muay Thai
- 2013 Champion in the Hong Kong Glory’s Cup
- 2014 Finalist in Hong Kong Muay Thai Championship
 - 2016 Ranked No.1 in Hong Kong Muay Thai 57kg category
- 2017 Yokkao Hong Kong Team Representative
- 2018 Allstar fight 60kg Winner
 

Leslie also has a degree in Bsc. Exercise Science & Health Education from the Chinese University of Hong Kong and a High Diploma in Nutrition and Food Management from HKU SPACE. He has previously been interviewed by TVB HK (Sports World) and RTHK TV Chanel 31 in Year 2014 and 2016.