 DENTON, Texas--BUSINESS WIRE--Sally Beauty Holdings, Inc. NYSE: SBH today announced the appointment of Erin Nealy Cox, to the Board of Directors. I am extremely pleased to welcome Erin back to our Board, stated Bob McMaster, Chair of the Board of Directors. We are excited about her return as an independent director and we look forward to her leadership. Ms. Nealy Cox is a trial attorney, cybersecurity expert and former federal prosecutor who served as an independent director on our Boar 