Menachem Mendel Schneerson

Menachem Mendel Schneerson, more commonly known simply as "The Rebbe," led the Chabad-Lubavitch movement from 1951 until his passing in 1994. Under his guidance, Chabad blossomed from a relatively small Hasidic group into a worldwide phenomenon, establishing Chabad Houses in nearly every corner of the globe. Talk about a successful startup, though the product was less "disruptive tech" and more "eternal salvation."