Paul L. Berns has been appointed president and chief executive officer Anacor Pharmaceuticals, Inc. Mr. Berns previously served as Anacor’s chairman of the board of directors. Mr. Berns succeeds David P. Perry who has served as president and chief executive officer since 2002.   Mr. Berns has more than 20 years of industry experience having held executive roles in the pharma and biopharma industries. He most recently served as the president and chief executive officer of Allos Therapeutics.   “W...