William O. Hall, III

Managing Director

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Bill has been in the investment advisory and wealth management business for more than 30 years. Currently, he is President and CEO of Plimsoll Mark Trust, a Portland, Maine-based trust company. He is also a shareholder and board member of Hartland & Co., a $17 billion global asset manager. Before founding Plimsoll Mark in 2009, Bill served as Chief Executive of WP Stewart Asset Management and Executive Officer of WP Stewart & Co., Ltd, a publicly traded investment firm managing more than $12 billion from its offices in New York City, London, Bermuda, and Hong Kong.

Bill is an avid sports fan and wrote the bestselling book Changing the Game: How to Profit from Your Passion for Sports. He lives with his family in Cape Elizabeth, Maine.