John Calvin Maxwell is an American author, speaker, and pastor who has written many books, primarily focusing on leadership. Titles include The 21 Irrefutable Laws of Leadership and The 21 Indispensab…
Peter G. Northouse is a professor emeritus of communication in the School of Communication at Western Michigan University. For more than 25 years he taught leadership and interpersonal and organizatio…
Malcolm Timothy Gladwell is a Canadian journalist, author, and public speaker. He has been a staff writer for The New Yorker since 1996. He has published seven books. He is also the host of the podcas…
Alfred Paul Ries was an American marketing professional and author. He was the cofounder and chairman of the Atlanta-based consulting firm Ries & Ries with his partner and daughter, Laura Ries. Along…
Dallas Willard was a widely respected American philosopher and Christian thinker, best known for his work on spiritual formation and his expertise in phenomenology, particularly the philosophy of Edm…
Patrick Lencioni is a New York Times best-selling author, speaker, consultant and founder and president of The Table Group, a firm dedicated to helping organizations become healthy. Lencioni’s ideas a…
Peter M. Senge is a senior lecturer at the Massachusetts Institute of Technology. He is also founding chair of the Society for Organizational Learning (SoL), a global community of corporations, resear…
Simon Richard Green is a British science fiction and fantasy-author. He holds a degree in Modern English and American Literature from the University of Leicester. His first publication was in 1979.
Ruth Haley Barton (Doctor of Divinity, Northern Seminary) is founding president/CEO of the Transforming Center, a ministry dedicated to strengthening the souls of pastors and Christian leaders, and th…
Keith Ferrazzi is an entrepreneur and global thought leader in high performing teams and Chairman of Ferrazzi Greenlight and its Research Institute. He is the author of the #1 New York Times bestselle…
Gordon MacDonald has been a pastor and author for over forty years. For many years he pastored Grace Chapel in Lexington, Massacusetts and continues to serve as Pastor Emertius. He has also provided l…
Veli-Matti Käkkäinen is professor of systematic theology at Fuller Theological Seminary in Pasadena, California. He has published numerous articles in international journals of theology.
Dr. Brené Brown is a research professor at the University of Houston, where she holds the Huffington Foundation Endowed Chair at the Graduate College of Social Work. She also holds the position of visit…
Annie is the co-founder of The Alliance for Decision Education, a non-profit whose mission is to improve lives by empowering students through decision skills education. She is also a member of the Nat…
Known for his wealth of practical tools and engaging writing style, Tony Stoltzfus has authored 21 books, launched several training organizations and is a founding figure in the Christian coaching. He…
Dr. Cloud has written or co-written twenty-five books, including the two million-seller Boundaries. His most recent books are Boundaries for Leaders and Necessary Endings. He has earned three Gold Med…
One of the world’s leading business thinkers, David Burkus’ forward-thinking ideas and bestselling books are helping leaders and teams do their best work ever.
William Bridges is an internationally known speaker, author, and consultant who advises individuals and organizations in how to deal productively with change.
Ryan Holiday is media strategist for notorious clients like Tucker Max and Dov Charney. After dropping out of college at 19 to apprentice under the strategist Robert Greene, he went on to advise many …
Tom Rath is an author and researcher who has spent the past two decades studying how work can improve human health and well-being. He has two books slated for publication in 2020, Life's Great Questi…