Celgene Corporation announced that Executive Chairman Bob Hugin has decided to retire from the company after 19 years of service and to step down from the company's Board of Directors, effective February 5, 2018. Chief Executive Officer Mark Alles has been appointed to the additional role of Chairman of the Board of Directors. He served as President and Chief Operating Officer from 2006 to 2010, and Chief Executive Officer from 2010 until becoming Executive Chairman in March 2016. Bob was elected to serve on the Board of Directors in December 2001 and became Chairman in June 2011.