On most weekday afternoons, Jason Franklin is frenetically busy in his crowded office on West 38th Street in Manhattan, fielding calls or pushing projects forward as the executive director of Bolder Giving, a nonprofit organization that promotes philanthropy.
But for several days in mid-August, Mr. Franklin, 32, decamped to a radically different environment, the bucolic Sundance Resort near Park City, Utah, where he happily unplugged to attend a biannual conference sponsored...