Howard B. Schiller has been appointed interim chief executive officer of Valeant Pharmaceuticals, effective immediately. Mr. Schiller served as chief financial officer from December 2011 through June 2015 and currently serves on Valeant’s board. J. Michael Pearson remains on a medical leave of absence until further notice, his expected return is uncertain. Mr. Schiller joined Valeant following a 24-year career at Goldman Sachs, and from 2009 to 2010, was the chief operating officer for ...