Tim Ferriss is an American entrepreneur, author and podcaster.
Barack Obama is an American attorney and politician who served as the 44th president of the United States.
Oprah Winfrey is an American media executive, actress, talk show host, television producer, and philanthropist.
Tobi Lütke is the founder and CEO of Shopify.
Sam Harris is an American author, neuroscientist, philosopher, and podcast host.