Mr. Limber has been a director since December 2012. Mr. Limber currently serves as President and Chief Executive Officer of Genoptix, Inc., a leading oncology molecular diagnostics company, a position he has held since March 2017. Mr. Limber has served as Executive Chairman of ImaginAb, an immune and oncology imaging company developing a pipeline of novel minibodies for treatment monitoring for immuno-oncology therapies and other drugs since January 2016. Prior to that, Mr. Limber served as President and Chief Executive Officer of Gradalis, Inc., from July 2013 through April 2015. Mr. Limber served as President and Chief Executive Officer of Prometheus Laboratories Inc., a subsidiary of Nestlé Health Science, from December 2003 through April 2013 and as a member of its Board of Directors from January 2004 through April 2013. From January 2003 to July 2003, Mr. Limber was a consultant and interim Chief Executive Officer for Deltagen, Inc., a provider of drug discovery tools and services to the biopharmaceutical industry. From April 1998 to December 2002, Mr. Limber was the President and Chief Executive Officer of ACLARA BioSciences, Inc. (now Monogram Biosciences, Inc.), a developer of assay technologies and lab-on-a-chip systems for life science research. From 1996 to 1998, he was the President and Chief Operating Officer of Praecis Pharmaceuticals (acquired by GlaxoSmithKline plc), a biotechnology company focused on the discovery and development of pharmaceutical products. Prior to Praecis, Mr. Limber served as Executive Vice President of SEQUUS Pharmaceuticals, Inc. (acquired by Alza Corporation and now a part of the Johnson & Johnson family of companies). He also held management positions in marketing and sales with Syntex Corporation (now F. Hoffmann-La Roche Ltd.) and with Ciba-Geigy Corporation (now Novartis AG). Mr. Limber currently serves on the Board of Directors of CombiMatrix Corporation. Mr. Limber holds a B.A. from Duquesne University. Mr. Limber brings to the Board his experience in successfully developing markets for specialty pharmaceutical products and managing the critical transition from research organization to commercial entity.

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