Mark Zuckerberg Says He Needs to Eat 4,000 Calories Daily. Here's What Might Be on the Billionaire's Menu — From Quarter Pounders to Chocolate Mice. The billionaire Meta founder and CEO says he’s not cutting weight currently. Previous Article Fitch's U.S. Debt-Rating Downgrade Is Bad News for Stocks. Here's Everything You Need to Know. Next Article 5 Media Strategies Every Entrepreneur Needs to Know