Richard Rodgers has served on our Board since November 2020 and served as our Interim Chief Executive Officer and President from April 2023 through October 2023. Prior to his appointment as Interim Chief Executive Officer and President in April 2023, Mr. Rodgers served as chair of the Audit Committee and member of the Compensation Committee since November 2020. Mr. Rodgers previously served as a member of the board of Rexahn from 2014 until November 2020. Mr. Rodgers currently serves on the board of directors and as the chair of the audit committee and member of the compensation committee of Ardelyx, Inc., and Novavax, Inc. Mr. Rodgers was previously Executive Vice President, Chief Financial Officer, Secretary and Treasurer of TESARO, Inc., an oncology-focused biopharmaceutical company that he co-founded, from March 2010 until August 2013. He served as the Chief Financial Officer from June 2009 to February 2010 of Abraxis BioScience, Inc. which was subsequently acquired by Celgene Corporation. Prior to that, Mr. Rodgers served as Senior Vice President, Controller and Chief Accounting Officer of MGI PHARMA, INC., from 2004 until its acquisition by Eisai Co., Ltd. in January 2008. He has held finance and accounting positions at several private and public companies, including Arthur Andersen. Mr. Rodgers holds a Bachelor of Science degree in Financial Accounting from St. Cloud State University and a Master of Business Administration in Finance from the University of Minnesota, Carlson School of Business.