Tacy Byham

CEO, Development Dimensions International, Inc.

Tacy M. Byham, Ph.D., is Chief Executive Officer of DDI. As CEO, Tacy has oversight of DDI’s finance, R&D, talent management initiatives, global sales, marketing, consulting practices, and HR. She has personally managed DDI’s strategic client relationships with Keurig Green Mountain, ADP, BNY Mellon and Texas Children’s Hospital. Since taking the helm of DDI in 2015, Tacy has established a new strategic direction cascading to aligned initiatives and metrics to drive business transformation to meet changing business dynamics.

Additionally, she has driven significant market-leading investments in technology integral to DDI’s transformation and innovations. During her more than 20 years at DDI, she has led numerous strategic initiatives, including the creation of DDI’s Executive Development Practice and award-winning frontline leader development programs. She also has developed DDI’s Women in Leadership focus with her “#LeadLikeAGirl” campaign. DDI’s industry-leading learning systems have helped our client organizations around the world develop more than 1 million leaders annually improving business metrics such as productivity, turnover, downtime, and safety with an ROI ranging from 147% to 633%.