Founder and CEO of Top Rank, a Las Vegas-based professional boxing promotion company that promoted
He worked as an attorney in the United States Department of Justice after graduating cum laude from Harvard Law School.
After he read surveys that showed that the sport of boxing was most popular in Hispanic communities, he began promoting Hispanic fighters.
He was raised in the Jewish faith. His marriage produced one son; he also parented a step-son and a step-daughter.
He was involved in a forty-year feud with fellow boxing promoter Don King.