Two Apple-related personalities have made TIME's annual list of the 100 most influential people. Among these is the company's CEO, Tim Cook; the TIME essay on him is written by Al Gore, who has served on Apple's board of directors for about nine years. "It is difficult to imagine a harder challenge than following the legendary Steve Jobs as CEO of Apple. Yet Tim Cook, a soft-spoken, genuinely humble and quietly intense son of an Alabama shipyard worker and a homemaker, hasn't missed a single beat," Gore writes.