Sandra M. Reed, SPHR, is a leading expert in the certification of human resource professionals with more than 20 years of practical experience. She is the author of the Official Guide to the Human Resource Body of Knowledge (HRBoK) and the 5th edition of the PHR/SPHR Professional in Human Resources Certification Study Guide. Sandra, owner of epocHResources is a sought-after, engaging facilitator of exam prep and leadership training. She holds her undergraduate degree in I-O Psychology, and has been SPHR certified since 2007.