Robert Kegan is the William and Miriam Meehan Professor of Adult Learning and Professional Development at the Harvard Graduate School of Education, and author of The Evolving Self and In Over Our Heads.
Lisa Laskow Lahey, a Harvard-educated adult developmental psychologist, is cofounder of the consulting group Minds at Work.
Stephen R. Thorne is a professional actor and a member of the Trinity Repertory Company in Providence, Rhode Island. He has played Hamlet, Henry V, and Tom Joad, among many other roles. Stephen has narrated over fifty audiobooks.