William H. Critchfield, Senior Vice President and Chief Financial Officer of Corgenix.  Prior to joining Corgenix, Mr. Critchfield was Executive Vice President and Chief Financial Officer of  U.S. Medical, Inc., a Denver, Colorado based privately held distributor of  new and used capital medical equipment.  From May of 1994 through August of 1999 he served as President and Chief Financial Officer of W.L.C. Enterprises, Inc., a retail business holding company.  Between November 1991 and May 1994, he served as Executive Vice President and Chief Financial Officer of Air Methods Corporation, a publicly traded company which is the leading U.S. company in the air medical transportation industry and was the successor company to Cell Technology, Inc.  Mr. Critchfield served in a similar capacity for Cell Technology, a publicly traded biotechnology company.  From 1986 through September of 1987 he served as Vice President of Finance and Administration for Biostar Medical Products, Inc., a developer and manufacturer of diagnostic Immunoassays.  In the past, Mr. Critchfield also served as Vice President of Finance for Nuclear Pharmacy, Inc., a publicly traded company and the world’s largest chain of centralized radiopharmacies.  Mr. Critchfield is a certified public accountant in Colorado, New Mexico and California.  He graduated magna cum laude from California State University at Northridge with a Bachelor of Science degree in Business Administration.