Schering-Plough Corp. has made executive changes within Schering-Plough Research Institute (SPRI), the R&D arm of Schering-Plough. Thomas P. Koestler, Ph.D., has been named executive vice president and president of SPRI and a member of the company’s Executive Management Team (EMT). Dr. Koestler was previously executive vice president, global development, SPRI, and an advisor to EMT. He succeeds Cecil B. Pickett, Ph.D., who is retiring from the company to join Biogen Idec. Also, Ca...