Leonard Kim is a marketer who wins a lot of awards despite being a self-described expert at failing. But failing can’t be the only thing he is good at since Fortune 500 companies, NYT bestselling authors and venture capitalists, book publishers like McGraw-Hill Business, large media publications like Forbes, CMO, Fast Company, Fortune, Adweek, Entrepreneur, and hundreds of others, and more than 500,000 followers think otherwise.