Over 20 years of Wing Chun martial arts practice and teaching experience; currently holds the following official titles:
- 5th Duan, Chinese Wushu Duan Wei (Chinese Wushu Association) (2013)
- Chinese Wushu Duan System – Examiner (Chinese Wushu Association) (2012)
- Competition Referee, Hong Kong Wing Chun Union (2010)
- Competition Instructor Certificate, Hong Kong Wing Chun Union (2010)
- Committee Member, World Wing Chun Union (2009)
- Committee Member, Hong Kong Wing Chun Union (2009)
- Recognized Instructor, Ving Tsun Athletic Association (2008)
- Permanent Member, Ving Tsun Athletic Association (2008)
- Recognized instructor, International Wing Chun Organization (2006)
Sarfield holds a Bachelor’s Degree from Canada (1992) and is currently working as a team leader/Financial Consultant in a listed company in Hong Kong.
