Zach believes everyone is built for purpose, desires meaningfulness, and deserves dignity. He is an author, keynote speaker, consultant, and researcher specializing in purposeful leadership, meaningful work, mattering, and positive organizational development. Zach wrote "The Invisible Leader: Transform Your Life, Work, and Organization with the Power of Authentic Purpose" to provide individuals and organizations with the tools to activate purpose and create cultures where everyone matters. Arianna Huffington praised it as "a compelling book filled with powerful stories, cutting-edge research, and practical tools that show us how to lead with purpose." Through work with over 100 global companies, conference audiences, non-profits, K-12 schools, and universities worldwide, Zach helps forge purposeful leaders. He teaches practical tools to cultivate positive organizational and team cultures that enable more mattering, meaning, motivation, well-being, and performance. Some of his clients include the U.S. Army, Delta Airlines, J.P. Morgan Chase, Marriott International, American Express, the Food and Drug Administration, the Government of Canada, the National Park Service, The University of Notre Dame, The Ghirardelli Chocolate Company, and Crocs. Zach earned his Ph.D. in Organizational Learning, Performance, and Change from Colorado State University, where he serves as an Honorary Fellow in the Department of Psychology's Center for Meaning and Purpose and as an Instructor in organizational behavior and development. His research on meaningful work has been awarded by The Association for Talent Development, The Academy of Management, and The Academy of Human Resource Development. Zach writes regularly on his blog and has been featured in media outlets such as Forbes, The Denver Post, Psychology Today, The Huffington Post, and Thrive Global. He is also a regular guest on various leadership and organization development podcasts.