Michel Vounatsos vs Michael Weiss

Michel Vounatsos

CEO of Biogen

BIO: Mr. Michel Vounatsos has been the Chief Executive Officer of Biogen Inc. since January 6, 2017. Mr. Vounatsos served as the Chief Commercial Officer and Executive Vice President of Biogen Inc. since April 18, 2016 until December 2016. He is a sophisticated global business leader who has a track record of commercial success and creativity. He joined Biogen after a 20 year career at Merck, where he various positions including served as president, Primary Care Business Line and Merck Customer Centricity. Prior to this role, he held leadership positions at Merck across Europe and in China. He has been Director of Biogen Inc. since January 6, 2017. Mr. Vounatsos attended the Universite Victor Segalen, Bordeaux II, in France, receiving his C.S.C.T. certificate in Medicine. He received his M.B.A. from the HEC School of Management in Paris.

Michael Weiss

CEO of TG Therapeutics

BIO: Mr. Michael S. Weiss, also known as Mike, has been a Chairman of the Board of National Holdings Corporation in September 21, 2016. Mr. Weiss has served as Fortress Biotech Inc.'s (???Fortress???) Executive Vice Chairman, Strategic Development since January 2014 and has served as Co-Vice Chairman of Fortress's Board of Directors since December 2013. He served as President and Chief Executive Officer of Mustang Bio, Inc. He has been Chairman of Mustang Bio, Inc. since March 2015 and has been its Director since 2015. Since 2009, Mr. Weiss has served as Co-Portfolio Manager and Partner of Opus. In 2011, Mr. Weiss Co-Founded TG Therapeutics, Inc. (???TG???). Mr. Weiss serves as TG's Chairman, President and Chief Executive Officer. Prior to 2009, Mr. Weiss was Chairman and CEO of Keryx Biopharmaceuticals, Inc. Mr. Weiss began his professional career as a Lawyer with Cravath, Swaine & Moore LLP in NYC. Mr. Weiss earned his J.D. from Columbia Law School and his B.S. in Finance from The University at Albany.