Mr. Mellett joined Enanta in September 2003. Prior to joining Enanta, he held the position of Senior Vice President and Chief Financial Officer of Essential Therapeutics. Previously, Mr. Mellett was the Chief Financial Officer and Vice President of Administration at GelTex Pharmaceuticals, Inc., a publicly held biotechnology company that was acquired by Genzyme Corporation in December 2000. Mr. Mellett also served as Chief Financial Officer of Marshall Contractors, a construction management firm specializing in the pharmaceutical, biotechnology and semiconductor industries, which was acquired by Fluor Corporation. Earlier in his career, Mr. Mellett was employed with Deloitte & Touche LLP, a public accounting firm, where he served as Audit Partner. Mr. Mellett received a B.S. in Business Administration from Boston College.