Mr. Steven S. Sandoval, Sr., also known Steve, as served as the Chief Manufacturing Officer at Pfenex Inc. since September 2016 until September 8, 2017 and served as its Chief of Manufacturing & Operations. Mr. Sandoval joined Pfenex in 2016 and has over 25 years of commercial biopharmaceutical engineering and operations experience, specializing in commercial operations, facility design and licensure of large scale biopharmaceutical commercial manufacturing facilities. He has extensive knowledge of cGMP biopharmaceutical engineering as well as significant first-hand experience preparing for and interfacing with the FDA and other global regulatory agencies during pre-licensure and biennial inspections of commercial cGMP biopharmaceutical manufacturing facilities. Mr. Sandoval founded and served as the President and Chief Executive Officer of Pharmaceutical Technical Solutions, Inc. from 2010 to September 2016. From 2008 to 2009, Mr. Sandoval served as Lead Senior Construction Manager for Parsons, Inc., an engineering and construction firm. From 1989 to 2008, Mr. Sandoval held various management positions at Amgen, Inc., a biopharmaceutical company, including Facilities and Engineering Director from 2004 to 2008. Prior to joining Pfenex, Mr. Sandoval was a Member of Amgens site executive management leadership team responsible for the aggressive growth at the Puerto Rico manufacturing site.