Barack Obama is an American attorney and politician who served as the 44th president of the United States.
Tim Ferriss is an American entrepreneur, author and podcaster.
Warren Buffett is the chairman and CEO of Berkshire Hathaway.
Peter Attia is a Canadian-American physician known for his medical practice that focuses on the science of longevity.
Malcolm Gladwell is a Canadian journalist, author, and public speaker.
J.K. Rowling is a British author, film producer, television producer, screenwriter, and philanthropist.
Sam Harris is an American author, neuroscientist, philosopher, and podcast host.
Esther Perel is a Belgian psychotherapist of Polish-Jewish descent.
Jim Collins is an American researcher, author, speaker and consultant.
Bill Gates is an American business magnate, software developer, investor, and philanthropist.