David R. Bethune – Executive Chairman and Interim Chief Executive Officer

Mr. Bethune was appointed Interim CEO on April 1, 2008 and has served as our Executive Chairman since August 2007. He has been a member of the board since 2005 and was appointed chairman on May 21, 2007. He is also a member of the Board of Cambrex Corporation. From 1999 until his retirement, he was Chairman and Chief Executive Officer of Atrix Laboratories, a drug delivery and product development company. Prior to Atrix Laboratories, he was President and Chief Operating Officer of IVAX Corporation, a pharmaceutical company. Before joining IVAX, Mr. Bethune began a start-up pharmaceutical company venture formed by Mayo Medical Ventures, a business unit of Mayo Clinics of Rochester.

Mr. Bethune previously served as group vice president of American Cyanamid Company and a member of the Executive Committee where he had executive authority for human biologicals, consumer health products, pharmaceuticals and ophthalmics as well as global medical research. He was also President of the Lederle Laboratories Division of American Cyanamid Company. Mr. Bethune received a B.A. degree in accounting and economics from Lenior-Rhyne College, Hickory, North Carolina and Masters in Business Administration in the Executive Program from Columbia University Graduate School.

Frank J. Bellizzi, DMD – President, Zila Pharmaceuticals, Inc.

Frank Bellizzi joined Zila in May 2006. Dr. Bellizzi has over 15 years of experience, within and beyond the Life Science industry, across operations, finance, strategic business development and investment banking. Most recently, Dr. Bellizzi was Managing Director of Indalo Ventures, a specialty advisory and investment firm he founded to incubate, launch and scale emerging, high growth businesses. Early in his career, Dr. Bellizzi founded the Urban Dental Education Project, an oral care education program serving the Philadelphia public school system.

In several senior-level positions in private equity investing and consulting, Dr. Bellizzi focused on major Life Science sectors such as pharmaceuticals, medical devices and health systems. In 1993, as a member of the management consulting firm Booz, Allen & Hamilton's Health Industries Practice, he facilitated a number of high-profile engagements, including the merger integration of two leading West Coast health systems and the acquisition strategy for a leading New York health system. In addition, from 1997 - 2000, as Chief Financial Officer and Chief Operating Officer of Streampipe, a rich media software company, he architected all aspects of the company's growth and successful sale.

Among other accomplishments, he has been a consultant to the American Hospital Association as well as Merck and Schering-Plough, an advisor to the Czech Republic's Ministry of Health, and a special assistant in the United States Department of Health & Human Services. Dr. Bellizzi holds an MBA from The Wharton School, a Doctorate in Dental Medicine from The University of Pennsylvania, and a Bachelor of Science degree from Georgetown University.

Gary Klinefelter – Vice President and General Counsel

Gary Klinefelter has served as Zila’s Vice President and General Counsel since December 2004. Mr. Klinefelter was appointed Zila’s Secretary in October 2005. From 1988-2004, he was Secretary and General Counsel of AMERCO, a holding company whose principal operating subsidiaries are U-Haul International, Inc., Republic Western Insurance Company and Oxford Life Insurance Company. Mr. Klinefelter is licensed as an attorney in Arizona.

Diane Klein – Vice President, Finance

Diane E. Klein has served as our Vice President and Treasurer since June 2004. She joined Zila in August 2003 as Director of Finance. Ms. Klein was Vice President-Finance for Bay Area Foods, Inc., a privately held grocery chain, from May 1998 to May 2003. Prior to Bay Area Foods, Ms. Klein held progressively responsible financial/accounting positions at Southwest Supermarkets, LLC, MegaFoods Stores, Inc. and the Circle K Corporation. She was previously a senior manager in the audit practice of Arthur Andersen & Co. in Phoenix, AZ.