John G. Figueroa has been appointed chief executive officer of Omnicare, Inc., effective January 1, 2011. He also will serve as a member of the board of directors. He replaces James D. Shelton, who has served as Omnicare’s interim president and chief executive officer since August 2010. Mr. Shelton will serve as a new non-executive chairman of the board and will assist Mr. Figueroa during the transition period. Mr. Figueroa joins the company from McKesson Corp., where he served as presi...