Ares Leung is qualified as a specialist in Obstetrics and Gynaecology in Hong Kong.  He pioneered in laparoscopic and hysteroscopic surgery in the 1990s. He has declined seeing personal patients since April’s Fool in 2010.

The major activity of Ares Leung is medical organization. He operates several clinic groups. His well-subscribed personal practice evolved into Prestige Medical Centre for care of the women, Paragon Medical Centre for child care and a spectrum of surgery. Active assistance is delivered to some medical groups, including Paramount Medical Centre, Platform Medical Centre and Panacea Medical Centre.  He has founded 6 groups and coached 2 practices. Ten centres in his clinic chains are spread across Tsimshatsui, Shatin, Central and Island East, HKSAR.

Ares Leung helped in the administration of a private hospital in Hong Kong. He pioneered in clinical governance, team building, accountability culture, and predictable payment. He could engage nearly 1/5 of hospital clients in structured feedback. He participated in hospital surveys for the ACHS(I) hospital accreditation system since its inception in HKSAR. He is also a board member of the Haven of Hope Christian Service.

He is honorary teaching staff of the University of Hong Kong, & the Chinese University of Hong Kong.

Ares Leung had duties with the HK College of O&G for 27 years (covering CME, CPD, Quality Assurance, Professional Development, Vice Presidency). Ares was President of College from 2013-2015. 

Ares Leung is interested in general O&G, gynaecological endoscopic surgery, hospital and medical clinic administration, medical teaching & training, appraisal of professionals, conflict resolution.

In 2015, Ares took up the challenge to handle sustainability of the O&G specialty when the Medical Protection Society changed the format of medical indemnity to obstetricians in extremely short notice. He was assigned by HKCOG to seek possibility of alternative providers to professional indemnity. A new scheme of professional indemnity was available to Hong Kong in mid-2016, and it was very welcome by obgyns in HKSAR.

He retired from hospital administration in Q4 2019. In the same season, he was appointed a member of the Dental Council.