Donald D. Huffman has served as a member of our board of directors since February 2015. Since July 2013, Mr. Huffman has served on the board of directors of Dance BioPharma, Inc., a company developing inhaled insulin, after consulting to the company from April 2012 to July 2013. In July 2014, Mr. Huffman joined the board of directors of Amarantus BioScience Holdings, Inc., a publicly-held company developing treatments and diagnostics for neurological diseases and regenerative medicine. From September 2010 to March 2012, Mr. Huffman served as the Chief Financial Officer and later, Co-President, of Wafergen Biosystems Inc., a publicly-held company. From October 2008 to September 2010, Mr. Huffman served as the Chief Financial Officer of Asante Solutions, Inc., a medical device company with an approved wearable insulin pump. Previously, Mr. Huffman served as Chief Financial Officer of Guava Technologies, Inc. (now Merck) and was Chief Financial Officer and principal of Sanderling Ventures, a biomedical venture capital firm. Mr. Huffman also has served as the Chief Financial Officer of three other public companies: Volcano Corporation (acquired by Royal Philips); Microcide Pharmaceuticals, Inc.; and Celtrix Pharmaceuticals, Inc. (now Insmed). Mr. Huffman earned a B.S. in Mineral Economics from Pennsylvania State University, an M.B.A. from the State University of New York at Buffalo and completed the Financial Management Program at the Stanford University Graduate School of Business.