Disillusioned and wanting a more meaningful life, Leon quit his job in finance. Then one day he saw a homeless man holding up a sign at a street corner: KINDNESS IS THE BEST MEDICINE. Leon says, “Those words rammed straight into me. It was an epiphany.”

Leon decided to begin his new life by creating an international organization to promote kindness. He travels around the world, relying on strangers to provide him with food, gas, and a place to stay. Then he rewards them with good deeds of his own such as feeding orphans or building on to a school for…