Professor Cheung is an experienced academic surgeons and his research interest was focused in disease and cancers in the liver, biliary tract and pancreas. He is the chairman of Hong Kong pancreatic cystic lesion management consensus meeting 2022, Hong Kong consensus recommendation on the management of HCC 2018 and 2021, and Asia pacific consensus meeting for minimally invasive hepatectomy for primary liver cancer (Hong Kong Statement) in 2016.

Professor Cheung is a world-renowned leading experts in the field of laparoscopic liver resection for primary liver cancer. He is the pioneer of laparoscopic liver hepatectomies in Hong Kong with good outcome.

Professor Cheung is very active and visionary in this field internationally. He was the founding member of International Laparosocpic liver Surgery Society and was elected as Advisory board member in 2019. Chairman of radiology committee of International liver transplant society 2019-2022.

Professor Cheung is an active researcher with a successful grant record including principle investigator and co-investigators of various grants from UGC HK and China with at total amount of more than 80 Million.

Professor Cheung was a recipient of the GB Ong Travelling Fellowship Award 2013 and James IV travelling Fellowship Award 2017. He has authored more than 310 peer-reviewed articles and other publications, and is frequently invited to lecture internationally and to present in plenary sessions. He has mentored a large number of trainees, including post graduate degree and oversea academia.