Timothy Ferriss

Timothy Ferriss is an American entrepreneur, investor, author and podcaster, best known for the 4-Hour series: The 4-Hour Workweek, The 4-Hour Body and The 4-Hour Chef. Those books focus on lifestyle optimization, an approach Ferriss has since reconsidered. Tools of Titans and Tribe of Mentors are his other nonfiction titles, and he also supports scientific research into psychedelic treatments.