Rabbi Pinchas Winston, an Aish alumni, is the author of over 50 books on Torah philosophy, the weekly parshah sheet PERCEPTIONS, and his site Thirtysix.org. He hosts the “Ask the Rabbi” radio show for Arutz Sheva (Israel National Radio), and is in the process of translating into English "Sha’ar HaGilgulim," the Arizal’s work on reincarnation (completed chapters can be viewed at https://thirtysix.org/shop.