“No man is an island,” the English poet John Donne once wrote. Nearly 400 years later, if you’re into creative, ambitious work, that sentiment is truer than ever—collaboration is often essential. It also might not feel like your strong suit. Maybe you feel weird without your headphones in and would much rather work alone. But even then, chances are your efforts are part of a greater whole that hinges on your abilities as a collaborator to succeed—so you might as well speak up. It’s an area where we can al