Techub News: "Father of the iPod" Tony Fadell has officially joined the Ledger Board of Directors. Tony Fadell has been an advisor to Ledger and the designer of Ledger Stax since 2022. From 2006 to 2008, Tony Fadell served as the Senior Vice President of the iPod division at Apple, leading the research and design of the iPod, and is thus known as the "Father of the iPod."