Her previous careers were as software design and development engineer, an R&D project manager and a program manager for Hewlett-Packard Company, and management consultant for Personnel Decisions International, before becoming a professor at CSU. She is author of "Understanding Employee Engagement: Theory, Research, and Practice" and "Organizational Psychology and Behavior: An Integrated Approach to Understanding the Workplace". She is currently the Editor-in-Chief for the Journal of Managerial Psychology, serves on several editorial boards, and has published in peer-reviewed scientific academic and practice outlets. Dr. Byrne has her own consulting practice, Atniz Consulting, LLC, working with organizations around the country focusing on their organizational culture and leadership to maximize employee engagement and change.