Mr. R. LaDuane Clifton, CPA has been the Chief Financial Officer of KemPharm, Inc. since June 25, 2015 and has been its Treasurer and Secretary since February 2016. Mr. Clifton served as the Vice President of Finance and Corporate Controller of KemPharm, Inc. from March 2015 to June 25, 2015. Mr. Clifton served as the Chief Financial Officer of The LGL Group, Inc. since December 17, 2012 until March 31, 2015 and its Secretary and Treasurer since December 2012 until March 31, 2015. Mr. Clifton served as the Chief Accounting Officer of The LGL Group, Inc. from March 2010 to January 2, 2013. Mr. Clifton served as Interim Chief Financial Officer at A21 Inc. since August 15, 2008. Mr. Clifton served as a Corporate Controller of The LGL Group, Inc. from August 2009 to March 2010 and served as its Secretary. He served as Corporate Controller at A21 Inc. since March 2007 and also served as its Chief Financial Officer. He served as Senior Auditor for KPMG LLP from August 2004 to March 2007. From August 1991 to August 2004, he was employed in various roles with Aetna Inc., and served as its Regional Medical Cost Manager. He received a B.B.A. in Accounting and an M.B.A. from the University of North Florida and is a Certified Public Accountant.