Tandem Diabetes Care, Inc. announced that Rebecca (Beckie) Robertson was appointed as an independent member of its board of directors. Ms. Robertson is a founder and managing director at Versant Ventures where she specializes in investing in the areas of medical devices and diagnostics. In addition, through Longridge Business Advisors, she provides business advisory services. Prior to Versant, she served as senior vice president at Chiron Diagnostics.