MrBeast has hundreds of millions of subscribers on YouTube. Alberto E. Rodriguez/Getty ImagesYouTuber MrBeast wrote an internal guide on how to succeed at his company.The document, which Business Insider has verified, breaks down the creator's business philosophy.Former staffers said it captures aspects of the MrBeast work experience, with some notable gaps.Ever wondered what it would take to get a gold star as an employee of MrBeast?In a leaked document that's been circulating on social media, titled "How to succeed in MrBeast Production," the 26-year-old creator, whose real name is Jimmy Donaldson, laid out his business philosophy, with tips on how to do well at his company and as a YouTuber.In the 36-page guide, which Business Insider verified with two former staffers, Donaldson included thoughts on hiring, the best ways to make content within his video empire, and tips on how to be an effective employee and build a long-term career there.