SUMNER REDSTONE $4.1 BILLION  SELF-MADE SCORE: % SOURCE: MEDIA AGE: 96 RESIDENCE: BEVERLY HILLS, CA

PHILANTHROPY SCORE:

Redstone and his family own roughly 80% of the voting shares in CBS and Viacom, which agreed to merge in August in a $12 billion deal expected to close by year end. His daughter Shari, with whom he had previously feuded, is his heir apparent and soon-to-be chairwoman of the new company, ViacomCBS.