Leon was born on August 15, 1941 in Sofia, Bulgaria. His family was victim of a Holocaust Ghetto. His father Issak Moscona became a distinguished author of many articles and books about the Sephardic culture. Leon is on a spiritual journey for more than 50 years. Achieving Enlightenment, he described it in more than twenty books, many articles, and more than 500 lectures in various countries in Europe and USA.