GTx Culture Company

Dr. Diane Young, M.D., has been Chief Medical Officer and Vice President at GTX Inc. since July 13, 2015. Dr. Young is a board-certified medical oncologist with 25 years of industry clinical development experience. She served as Vice President and Global Head of Clinical Development -Oncology of Novartis Pharmaceuticals Corporation. Prior to her employment with Novartis, she spent 10 years with Johnson and Johnson, where she served as Vice President of Global Development at R. W. Johnson Pharmaceutical Research Institute (now Johnson and Johnson Research and Development). At Novartis, Dr. Young held senior leadership positions involved with the development, regulatory approval and medical affairs activities for several oncology products, including Glivec, Zometa, Femara, Sandostatin, Tasigna, Jakavi and Afinitor. Dr. Young received her Medical Degree from the Harvard Medical School, followed by an internship and residency at Johns Hopkins Hospital and Vanderbilt University Hospital. Thereafter, she served as an oncology fellow at the Dana-Farber Cancer Institute. She earned an A.B. in Biochemical Sciences (Magna Cum Laude) from Harvard University.

Mr. Jason T. Shackelford has been Principal Financial & Accounting Officer, Corporate Controller and Vice President of Finance & Accounting at GTX Inc. since April 3, 2014, since July 2007 and since January 6, 2017 respectively. Mr. Shackelford served as a Senior Director of Accounting at GTX Inc., from July 2007 to January 6, 2017. He served as Acting Principal Accounting Officer of GTX Inc. since December 31, 2013. He served as Senior Audit Manager of KPMG LLP. Mr. Shackelford is a Certified Public Accountant and holds a Bachelor of Business Administration and Master of Accountancy from the University of Mississippi.

Mr. Henry P. Doggrell serves as the Chief Legal Officer of GTx Inc. and has been its Vice President since January 20, 2005 and also has been its General Counsel and Secretary since October 2001. From April 1998 to August 2001, Mr. Doggrell served as Senior Vice President of Corporate Affairs at Buckeye Technologies, Inc., a Specialty Cellulose Company, where he was responsible for Matters including Corporate Finance, Investor Relations, Mergers and Acquisitions, Intellectual Property and Licensing and Strategic Development. From 1996 to 1998, Mr. Doggrell served as General Counsel and Secretary of Buckeye Technologies. Prior to joining Buckeye Technologies, Mr. Doggrell was a Partner of the Baker, Donelson, bearman, Caldwell and Berkowitz Law Firm from 1988 to 1996, where he served as member of the Law Firm Management Committee and Chairman of its Corporate Securities Department. Mr. Doggrell holds a B.S. in Commerce from the University of Virginia and a J.D. from Vanderbilt University.