This summer, Superfly co-founder Jonathan Mayers will celebrate a few significant milestones: 20 years since his company’s first show, 16 years of Bonnaroo, 10 years of Outside Lands and the launch of Colossal Clusterfest, a comedy-centric festival, featuring headliners Jerry Seinfeld and Kevin Hart. Mayers grew up an hour outside New York City and attended Tulane University, where he…