Elissa Tucker is Principal Research Lead, Human Capital Management (HCM), at APQC. Drawing on more than 20 years of experience in human resources research, writing and advising, Elissa develops and executes APQC’s HCM research agenda, covering topics like leadership, talent optimization, human resources trends, recruiting and hiring, training and development, performance management and talent management. Prior to joining APQC, she worked as a senior research consultant at HR consultancy Hewitt Associates. Nathanael M. Vlachos, PhD, is Senior Writer, Research Services at APQC. With more than 10 years’ experience in academic and business communications, he has written extensively on topics including organizational culture, HR technology and recruiting. Vlachos holds a PhD in cultural anthropology.