Dr. Mohammed Harris Bin Anwarali Khan. Orthopaedic and arthroplasty surgeon in Hospital Seberang Jaya. He completed MBBS(UM), M.Ortho(IIUM) and Subspecialty Arthroplasty(KKM). Internationally he completed APOA SIAA Arthroplasty Fellowship (INDIA), Hip arthroscopy, arthroplasty (adult hip,knee, shoulder arthroplasty, robotic knee and hip) at Bezmialem Vakif University, Istanbul, Arthroplasty attachment hip and knee at Dr. Abdulah Nakas General Hospital,BOSNIA, Arthroplasty fellowship hip and knee(clinical training), Tarabichi centre,DUBAI, Shoulder arthroplasty fellowship, Azienda Ospedaliera-Universitaria, ITALY and Fellowship programe in hip and knee arthroplasty(one and two stage revision), Helios Endoclinic Hamburg.