Winter Harbor LLC


Stuart is a Managing Director at Winter Harbor with over 20 years of corporate finance experience.


John Llewellyn| Managing Director

John is a managing director at Winter Harbor and has over 25 years of experience as a financial and operations executive and strategic business advisor.

John joined Winter Harbor in 2017 having most recently served as chief financial officer for a digital advertising company in New York City. Prior to entering the private sector, John had over 20 years of experience in corporate restructuring. During this time, John served as managing director/principal for two of the Big Four accounting firms, where he oversaw both domestic and international operations. He has extensive restructuring expertise initiating, negotiating and structuring financial transactions and leading management, board and lender negotiations. 

John earned his Bachelor of Arts in Economics from Boston College and his Master of Business Administration with a concentration in Finance and Marketing from the Fuqua School of Business at Duke University. He is a New England native who lives in Connecticut with his wife and three children. He’s an active community volunteer having just completed a four year term as an elected Board of Education Member for Fairfield Public Schools, as well as serving as a Board Member of Humanity Now. In his free time he is the parent coach to his son’s high school robotics team, enjoys woodworking, traveling and spending time with family.