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Tim Sullivan

Focus: Executive Coaching | Organizational Change | Career and Life Planning | Sales Force Development


Tim has been a successful coach and business advisor to leaders for thirty years, with a focus in healthcare for the last twenty. His expertise is working with individuals.

Tim Sullivan

Tim built his practice utilizing his unique personal background, as a teacher and sports coach, as a product sales person and as an HR service provider, having done recruiting, search and outplacement. He has blended the expertise of these varied abilities into a unique way of helping people become better leaders, become better team players, and develop and fulfill life goals while having rewarding careers. Tim has helped large and small organizations build strong leadership teams capable of facing complex challenges together. Much of his recent experience has been with hospital leadership. He has been a guest lecturer at many hospital and CEO retreats, providing insights on the interpersonal dynamics of leadership within the healthcare industry.


In 1990, Tim founded Wellesley Partners. In his role as founding partner, Tim acts as an advisor to CEOs and senior leaders ranging from Fortune 50 to owner/operators of small business. Tim works with each client to outline and then achieve a plan for success. Prior to Wellesley Partners, Tim spent five years as a senior partner in a rapidly growing management consulting firm. Having spent over 25 years as an entrepreneur, Tim has developed an expertise in consulting to entrepreneurs.

Tim started his career as a teacher, and continues today as the firm’s lead instructor for teaching consultative selling techniques to sales and non-sales executives in a variety of professional service firms. Tim started his sales career at the Northwestern Mutual Life Insurance Company where he was involved in sales and sales management, earning their highest level of sales recognition.


Tim was awarded a Master’s degree in Classics and Psychology from the University of Massachusetts. Tim is a graduate of Bowdoin College having earned his bachelor’s degree in Classics.

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