Donald R. RyanDonald Ryan spent over forty years as an economic analyst and consultant in both the private and public sectors, working most notably for economic consultancy Charles River Associates, the U.S. Environmental Protection Agency, and a number of leadingdata management and marketing services firms. Since 2018, Mr. Ryan has been a volunteer with the National Park Service, serving at Bunker Hill National Monument Park in Charlestown, MA, where he is a visitor guide and lecturer. Read More Read Less