Dr. Syed A Dewan has joined Sunmark-MD as Country Manager, He started his career from Sandoz Pakistan in 1998, Then He joined Schering-Plough as Manager Oncology, He became Business Unit Head in Year 2000 in ATCO Laboratories for Biotech division and established ATCO-ONCOLOGY division he worked there nearly a decade and now going to start working as Country Manager in Sunmark-MD.