John P. Sharp

Who is John P. Sharp?

Prior to joining Ligand, Mr. Sharp served as Vice President of Finance

and Principal Accounting Officer for Sequenom, (NASDAQ: SQNM). From

August 2000 to November 2004, Mr. Sharp served as Director of

Accounting at Diversa Corporation, a publicly traded biotech company,

where he was responsible for managing the overall accounting function,

including financial reporting, internal controls, and corporate

governance, during a period of significant company growth. From

January 1994 to August 2000, Mr. Sharp was at the public accounting

firm PricewaterhouseCoopers, most recently as a Senior Audit Manager.

He received a BS from San Diego State University, and is a Certified

Public Accountant and a member of the Association of Bioscience

Financial Officers.