Steven Bartlett is the founder and host of The Diary of a CEO, one of the most popular podcasts in the world. Only Joe Rogan has more listeners when it comes to hosted shows. Launched in 2017 as a hobby to let Bartlett get inside the minds of other CEOs, the podcast has attracted more than 1 billion streams, including 50 million monthly listeners in December alone. Guests have ranged from comedian Trevor Noah and YouTube titan MrBeast to a mix of self-help experts including longevity gurus,