The CEO behind Grand Theft Auto has an 8-part longevity routine for shredded abs and sharp decision-making. Here's why peptides aren't part of it.

Source: Business Insider

Take-Two Interactive CEO and chairman Strauss Zelnick, 69, loves a hard workout. Carl Timpone/BFAStrauss Zelnick, the CEO of Take-Two Interactive, said he prefers working out to playing video games. He is a longevity buff, deep into fitness and anti-aging habits.