FILE PHOTO: Alex Denner, Chief Investment Officer and Founding Partner of Sarissa Capital, speaks during the Milken Institute Global Conference in Beverly Hills, California, U.S., May 2, 2017. REUTERS/Mike Blake/File Photo
FILE PHOTO: Alex Denner, Chief Investment Officer and Founding Partner of Sarissa Capital, speaks during the Milken Institute Global Conference in Beverly Hills, California, U.S., May 2, 2017. REUTERS/Mike Blake/File Photo