Weiya is the head of the Evidence Based Medicine Group in the Arthritis Research UK Pain Centre. He led the development of the European League Against Rheumatism (EULAR) evidence based recommendations for osteoarthritis, gout and CPPD, the Osteoarthritis Research Society International (OARSI)Treatment Guidelines Part I-III. He is a member of the NICE osteoarthritis Clinical Guideline Development Committee, a member of the British Society of Rheumatology Gout Working Group, a member of the Arthritis Research UK Fellowship Implementation Committee, and a member of the Editorial board of Osteoarthritis & Cartilage. He is an active epidemiologist and evidence based medicine practitioner with special interests in osteoarthritis and gout. He has published over 150 articles with a H-index of 62 (by June 2016).