David H. Maister is widely acknowledged as the world’s leading authority on the management of professional service firms. Beginning four decades ago, David has advised firms in a broad spectrum of professions, covering all strategic and managerial issues, spanning the globe. A native of Great Britain, David holds degrees from the University of Birmingham, the London School of Economics, and the Harvard Business School, where he was a professor for seven years. He is the author of the best-selling books Managing the Professional Service Firm and True Professionalism. He lives in Boston, Massachusetts.

Robert M. Galford is a Managing Partner of the Center for Leading Organizations, where he works with senior executives at the intersection of strategy, organization, and leadership. In addition to The Trusted Advisor, Rob has coauthored three books: The Trusted Leader; Your Leadership Legacy; and Simple Sabotage, and has been a frequent contributor to the Harvard Business Review, HBR.org, and numerous other business publications. His educational background includes Liceo Segre, Turin, Italy, a BA in Economics and Italian Literature from Haverford College, an MBA from Harvard Business School and a JD from Georgetown University Law Center.

Charles H. Green is a speaker and executive educator focused on trust in complex businesses and professional services firms. Charlie is founder and Chairman of Trusted Advisor Associates. In addition to The Trusted Advisor, Charlie wrote Trust-Based Selling, and coauthored The Trusted Advisor Fieldbook. He is a graduate of Columbia and of the Harvard Business School. He spent the first twenty years of his career with The MAC Group and its successor, Gemini Consulting. Charlie lives in Boca Raton, Florida.