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Mark A. Sirgo, Pharm.D., has been our Director since August 2005 and Vice Chairman since October 2016. He has served as Chief Executive Officer of ArunA Bio since January 2019. Formerly, he served as our President since January 2005 and Chief Executive Officer since August 2005. He joined our company in August 2004 as Senior Vice President of Commercialization and Corporate Development upon our acquisition of Arius Pharmaceuticals, of which he was a co-founder and Chief Executive Officer. He has also served as our Executive Vice President, Corporate and Commercial Development and our Chief Operating Officer. Dr. Sirgo has over 35 years of experience in the pharmaceutical industry, which includes clinical drug development, marketing, sales, and business development, and executive management positions. Prior to Arius Pharmaceuticals, from 2003 to 2004, he spent 16 years in a variety of positions of increasing responsibility in both clinical development and marketing at Glaxo, Glaxo Wellcome, and GlaxoSmithKline, including Vice President of International OTC Development and Vice President of New Product Marketing. Dr. Sirgo was responsible for managing the development and FDA approval of Zantac 75 while at Glaxo Wellcome, among other accomplishments. From 1996 to 1999, Dr. Sirgo was Senior Vice President of Global Sales and Marketing at Pharmaceutical Product Development, Inc. Dr. Sirgo served on the Board of Directors of Salix Pharmaceuticals, Inc., from 2008 until its sale in 2015. Dr. Sirgo was added to the Board of Directors of Biomerica, Inc., a diagnostics and therapeutic company, in July 2016 and as Chairman of the Board of RDD Pharma, Ltd., in April 2018. Dr. Sirgo received his BS in Pharmacy from The Ohio State University and his Doctorate from Philadelphia College of Pharmacy and Science.