company doctor

noun
  1. a businessperson or accountant who specializes in turning ailing companies into profitable enterprises
  2. a physician employed by a company to look after its staff and to advise on health matters
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012