John A. Scarlett has served as our Chief Executive Officer and a director since September 2011 and President since January 2012. Prior to joining Geron, Dr. Scarlett served as President, Chief Executive Officer and a member of the board of directors of Proteolix, Inc. from February 2009 until its acquisition by Onyx Pharmaceuticals, Inc. in November 2009. From February 2002 until its acquisition by Ipsen, S.A. in October 2008, Dr. Scarlett served as the Chief Executive Officer and a member of the board of directors of Tercica, Inc. and also as its President from February 2002 through February 2007. From March 1993 to May 2001, Dr. Scarlett served as President and Chief Executive Officer of Sensus Drug Development Corporation. In 1995, he co-founded Covance Biotechnology Services, Inc. and served as a member of its board of directors from inception to 2000. From 1991 to 1993, Dr. Scarlett headed the North American Clinical Development Center and served as Senior Vice President of Medical and Scientific Affairs at Novo Nordisk Pharmaceuticals, Inc., a wholly owned subsidiary of Novo Nordisk A/S. Dr. Scarlett received his B.A. degree in chemistry from Earlham College and his M.D. from the University of Chicago, Pritzker School of Medicine.
Olivia K. Bloom has served as our Chief Financial Officer since December 2012 and as Treasurer since February 2011. Ms. Bloom previously served as the Company’s Chief Accounting Officer from September 2010 until February 2011. Ms. Bloom was Controller from 1996 to 2011 and joined Geron in 1994 as a Senior Financial Analyst. Prior to Geron, Ms. Bloom started her career in public accounting at KPMG Peat Marwick and became a Certified Public Accountant in 1994. Ms. Bloom graduated Phi Beta Kappa with a B.S. in Business Administration from the University of California at Berkeley.
Melissa A. Kelly Behrs has served as our Executive Vice President, Portfolio and Alliance Management since February 2014. Prior to that she was our Senior Vice President, Portfolio and Alliance Management from September 2012 to February 2014. Ms. Behrs joined Geron in November 1998 as Director of Corporate Development. Since then, she has served in various managerial positions, including General Manager, R&D Technologies; Vice President, Corporate Development; Senior Vice President, Therapeutic Development, Oncology; and Senior Vice President, Strategic Portfolio Management, Product Development and Manufacturing. From 1990 to 1998, Ms. Behrs was at Genetics Institute, Inc., serving initially as Assistant Treasurer and then as Associate Director of Preclinical Operations where she was responsible for all business development, regulatory, and project management activities for the Preclinical Development function. Ms. Behrs received a B.S. from Boston College and an M.B.A. from Babson College.
Andrew J. Grethlein, Ph.D., has served as our Executive Vice President, Technical Operations, since September 2012. Prior to joining Geron, Dr. Grethlein served as Executive Vice President and Chief Operating Officer of Inspiration Biopharmaceuticals from 2010 to 2012. Prior to Inspiration, from 2008 until 2010, he was Senior Vice President of Biotechnology and Portfolio Management Team Leader for Hematology at Ipsen S.A., a global specialty pharmaceutical company. His responsibilities at Ipsen included planning and execution of worldwide strategy for product and portfolio development in the hematologic therapeutic area. From 2003 to 2008, Dr. Grethlein was at Tercica, Inc., where he served as Senior Vice President of Pharmaceutical Operations. In this role, he was a member of the senior executive team that governed corporate strategy, business planning and company operations, and had responsibility for all manufacturing and quality functions. Before joining Tercica, Dr. Grethlein served in various positions at Elan Corporation from 1997 to 2003, including as Senior Director, South San Francisco Pharmaceutical Operations, where he had responsibility as site head for commercial manufacturing operations. From 1995 to 1997, Dr. Grethlein served as Manager, Biologics Development and Manufacturing, for Athena Neurosciences, Inc. Prior to this he served in various engineering positions for the Michigan Biotechnology Institute, a nonprofit technology research and business development corporation. Dr. Grethlein received his A.A. degree in liberal arts from Simon’s Rock Early College, his B.S. in biology from Bates College, and his M.S. and Ph.D. in chemical engineering from Michigan State University.
Craig C. Parker has served as our Executive Vice President, Corporate Development and Scientific Affairs since February 2014, and our Senior Vice President, Corporate Development from December 2012 until February 2014. Prior to joining Geron, Mr. Parker was most recently Senior Vice President, Strategy and Corporate Development at Human Genome Sciences, Inc., a biopharmaceutical company focused on developing protein and antibody drugs, until its sale to Glaxo SmithKline in 2012. From 2009 to 2011, Mr. Parker was co-founder and Chief Executive Officer of Vega Therapeutics, a drug discovery stage biotechnology start-up in the emerging field of inflammation, insulin resistance and energy balance. Before founding Vega Therapeutics, Mr. Parker was Senior Vice President of Corporate Development and Finance at Proteolix, a clinical development stage biotechnology company developing novel oncology drug candidates, until its sale to Onyx Pharmaceuticals in 2009. From 2007 to 2009, Mr. Parker was President of DCD BioConsulting LLC, a strategic and financial advisory firm to the biotechnology industry. From 1999 to 2001, Mr. Parker served as Senior Vice President and General Manager of the Specialty Therapeutics Franchise at Immunex Corporation, a biopharmaceutical company focused in immunology, oncology and neurology. Mr. Parker's career also includes 12 years as a Wall Street research analyst. From 2002 - 2007, he was a Managing Director and head of Biotechnology Equity Research at Lehman Brothers. Mr. Parker also covered the biotechnology industry as the senior biotechnology analyst at Donaldson, Lufkin & Jenrette from 1998 to 1999, and as an analyst at JP Morgan & Co. from 1994 to 1998. His additional investment experience includes serving as a Partner at Sprout Group, the venture capital affiliate of Credit Suisse Group, from 2001 to 2002. Mr. Parker received his undergraduate degree in Biological Sciences from the University of Chicago and an MBA from the University of Michigan Stephen M. Ross School of Business, and attended the Georgetown University School of Medicine.
Stephen N. Rosenfield, J.D., has served as our Executive Vice President, General Counsel and Corporate Secretary since February 2012, General Counsel and Secretary since January 2012 and Secretary since October 2011. From July 2009 to the present, Mr. Rosenfield has been a consultant to private companies. From October 2008 until June 2009, Mr. Rosenfield was the General Counsel and Secretary of Tercica, Inc., a U.S. subsidiary of Ipsen, SA. From June 2004 until October 2008, Mr. Rosenfield was the General Counsel and Secretary of Tercica, Inc.; from January 2006 until October 2008 he was also the EVP of Legal Affairs, and from June 2004 until January 2006, Mr. Rosenfield was the SVP of Legal Affairs. Prior to joining Tercica, Mr. Rosenfield served as the EVP of Legal Affairs, General Counsel and Secretary of InterMune, Inc. Prior to joining InterMune, Mr. Rosenfield was an attorney at Cooley Godward LLP where he served as outside counsel for biotechnology and technology clients. Mr. Rosenfield received his B.S. degree from Hofstra University and his J.D. degree from Northeastern University School of Law.