Ms. Tuttle was president and chief executive officer at HX Diagnostics. Before HX Diagnostics, she also served as president and chief executive officer of Protedyne Corporation (now part of LabCorp), which developed robotics for the molecular-diagnostic-testing industry. Previously, she was senior vice president of near patient testing at Bayer Diagnostics, one of the world’s largest diagnostic companies. At Bayer, she was responsible for a worldwide business of $400 million. Before joining Bayer Diagnostics, she spent 20 years at Chiron Diagnostics (formerly Ciba Corning Diagnostics), a leader in molecular and immunodiagnostics. Ms. Tuttle began her career as a CPA at Peat, Marwick, Mitchell and Company (now KPMG). She holds a master’s in business administration from Harvard Business School as well as bachelor's degrees in accounting from the University of North Carolina at Chapel Hill and German from Duke University.