VARIAN MEDICAL SYSTEMS, INC. — 2013 ANNUAL REPORT Dr. Ryan Grover Gearing up for the commencement of treatments at the Scripps Proton  Therapy Center near San Diego keeps Dr. Ryan Grover running. He is  chief of head and neck, central nervous system, sarcoma and gyneco- logic therapy at the new center where patient treatments using Varian’s  new ProBeam TM  system are expected to begin in early 2014. P.10