He was the president and CEO of Baxalta , an American biopharmaceutical company , from 2015 to 2016 .
Ludwig Norbert Michel Hantson ( born August 1962 ) is a Belgium businessman , the CEO of Alexion Pharmaceuticals since March 2017 .
Ludwig Norbert Michel Hantson was the CEO and CEO of Baxalta , an American biopharmaceutical company , from 2015 to 2016 .
Ludwig Norbert Michel Hantson ( born August 1962 ) is a Belgium businessman , the CEO of Alexion Pharmaceuticals since March 2017 .