Raymond Wong, MBChB, MD, MRCP(UK), FHKCP, FHKAM(Medicine), is a Consultant of the Department of Medicine & Therapeutics, Prince of Wales Hospital, Hong Kong and an Honorary Clinical Assistant Professor of the Chinese University of Hong Kong. He has taken care of patients with Castleman disease for more than 10 years and was an investigator on the Janssen Siltuximab study.