David Vance is the founder and former executive director of the nonprofit Center for Talent Reporting and former president of Caterpillar University. He is the author of three previous books about L&D strategy and measurement and led the team that created the International Organization for Standardization (ISO) standard on L&D metrics. Vance has taught in the human capital management Ph.D. program at Bellevue University since 2010 and in the executive education program at George Mason University for Chief Learning Officers since 2020. He was named 2006 Chief Learning Officer of the Year by Chief Learning Officer magazine. He and his wife Barbara and their two dogs live in Birmingham, Alabama. Peggy Parskey is a consultant, educator, and author specializing in learning and talent measurement.

For 20+ years, she has advised more than 150 organizations, from Fortune 500 companies to nonprofits, helping them design and implement measurement strategies that are practical, sustainable, and aligned with business goals. She was an early contributor to the Talent Development Reporting Principles (TDRp) framework and is the co-author of four books, with a fifth solo work forthcoming. Her background spans statistics, finance, change management, and organizational effectiveness, a combination that shapes how she approaches talent measurement in practice. She speaks regularly at professional conferences and leads Parskey Consulting. She lives in Connecticut with her husband, Kevin.