ICON plc announced that Dr. Kristen K. Buck has been appointed Chief Medical Officer. Kristen joins ICON from Optum Insights (part of the United Healthcare group) where she was SVP & Chief of Clinical Development. Kristen led the clinical operations and regulatory groups to create a Real-World Evidence and Outcomes clinical trial business. Her experience ranges over multiple therapy areas including GI, neuroscience, dermatology, ophthalmology, oncology, cardiovascular/metabolic, immunology, renal, women’s health, orphan diseases, liver, and psychiatry.