 | | | | | | Name : | Charles A. Sanders | | Title : | Chairman of the Board | | Since: | 10/14/2005 |
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|  | | Name : | P. Kay Wagoner | | Title : | President, Chief Executive Officer, Director | | Since: | |
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| | | Name : | Richard D. Katz | | Title : | Chief Financial Officer, Senior Vice President - Finance and Corporate Development, Treasurer | | Since: | 04/2001 |
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| | | Name : | Edward P. Gray | | Title : | Senior Vice President - Intellectual Property, Chief Patent Counsel and Secretary | | Since: | 08/2001 |
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| | | Name : | Seth V. Hetherington | | Title : | Senior Vice President - clinical and regulatory affairs | | Since: | 05/25/2006 |
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| | | | | | | 2007 | | | | 1st March 2007 | | 9th May 2007 | | 3rd August 2007 | | 2nd November 2007 |
| | 2006 | | | | 1st March 2006 | | 9th May 2006 | | | | |
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