Nick Craig is the president of Core Leadership Institute, a leadership consulting firm teaching authentic leadership programs around the globe. Its mission is to help leaders and organizations discover their deeper purpose and have the courage to live it. He is coauthor of the article "From Purpose to Impact" with Scott Snook. Nick currently lives in Harvard, Massachusetts with his wife, Jeanne, and their kids.

Bill George is the former Chair and CEO of Medtronic and Executive Fellow at Harvard Business School (HBS), where he has taught leadership to MBAs and executives since 2004. He is the author of four bestselling books: Authentic Leadership, True North, Finding Your True North, and 7 Lessons for Leading in Crisis. True North has been recognized as one of the 25 Best Leadership Books of All-Time. He has served on the boards of Goldman Sachs, Mayo Clinic, ExxonMobil, Novartis, and Target.

Scott Snook is a Senior Lecturer of Business Administration at Harvard Business School where he teaches courses in leadership and leader development. Scott's research and consulting includes leadership, leader development, leading change, and organizational systems. His book Friendly Fire received the Terry Award from the Academy of Management. He and his wife Kathleen and their five children live in Concord, Massachusetts.

Lauren Schwenk is Chief of Staff of Three Ships, which operates digital marketplace businesses. As Chief of Staff, Lauren leads special projects, which has included supporting Bill George on research, writing, editing, and graphic design since 2010. She received a BA in journalism and mass communication from the University of North Carolina at Chapel Hill. She lives in Pinehurst, North Carolina, with her husband, Wes, and their three children.

Josh Hall is the Founder of Sage & Sterling Communications, a full-service public relations and communications agency that specializes in strategic storytelling. Josh works with leaders from businesses of all shapes and sizes to distill messaging down to its core, craft meaningful content, and deliver it to targeted audiences. A resident of Ponte Vedra, Florida, Josh lives with his wife, Meredith, and their two children.

The Not Quite So Small Purple Star

不太小的紫星