Tacy M. Byham, Ph.D. (born March 25, 1968) is an American businesswoman, Industrial and Organizational Psychologist, speaker, and author. She holds a Ph.D. and M.S. in Industrial/Organizational Psychology from the University of Akron.
Byham is CEO of Development Dimensions International (DDI) an international human resources consultancy. She established DDI's Executive Development Practice and led leader development programs which won a Leadership Excellence Award in 2014. DDI was named a Leadership Company to Watch by Training Industry in 2017.
She has managed the development of several succession management programs and corporate universities.
Public speaking and writing
As a speaker, Byham presents on innovation, managing mid-level leaders, the importance of manager support and sustainability efforts. She also advocates for the next generation of leaders around the world and focuses on mentoring and other issues facing women in the workforce. Byham gave the American Academy of Audiology Foundation lecture in 2018 in Nashville, titled, "Lead like a Girl."In 2015, Byham co-authored the book, Your First Leadership Job, with Richard Wellins, Ph.D. It contains advice and stories to help new leaders transition into a new role. She also writes articles as a Forbes Coaches Council Contributor.
Documentaries, videos and podcasts