William O. Hall III

Senior Advisor, MetroStar Systems’ Advisory Board

William O. Hall III is the President of Plimsoll Mark Capital, a global wealth management firm with offices in New York City and London. Mr. Hall is the former CEO and President of W.P. Stewart Asset Management, N.A. a publicly traded investment management firm that managed $12 billion from its offices around the world. Mr. Hall is also the founder and principal of Bookworm Sports, a sports analytics business focusing specifically on score prediction and wagering. He is the author of Changing the Game: How to Profit from Your Passion for Sports. Mr. Hall lives in Portland, Maine with his wife and three sons. He splits his time between New York City and Portland, and is an avid sports fan.

Advisory Board

Leadership