As Chief Member Programs Officer, Mary Ellen Sheehy leads Vistage’s Member Programs team, delivering world-class events, Networks, expert speaker programs and other benefits that provide small and midsize businesses with resources and connections they need to make great decisions and grow their companies. She brings more than 30 years of business development, sales, marketing and events experience to her role. Prior to joining Vistage, she spent 16 years at Gartner, where she served in a number of leadership roles within the $160 million worldwide events organization, including six years as group vice president, strategy and planning.  Most recently, she served as the managing director for the Dartmouth College Fund, Fellows Program at Dartmouth College.