Dennis has held various volunteer positions since joining lawn bowling, including two years as President of his local bowls club, Chair of Bowls South Island, and Treasurer of Bowls British Columbia. Verge has worked closely with BCB in the past while performing the duties of chief scorer at two national events. While the majority of his volunteer involvement has been with lawn bowls, Dennis has also had many years of experience volunteering in the financial community as a Director of his accounting association and President of the Financial Management Institute of Victoria.