Bachelor of Arts, New York University, 1966; Master of Business Administration, Harvard University, 1970.
Volunteer, Peace Corps, Kingston, Jamaica, 1966-1968; vice president, Carl Marks & Company, Inc. (investment bankers), New York City, 1970-1978; president, Leucadia National Corporation, New York City, since 1979; also board directors. Board directors Empire Insurance Group, MK Gold Company.
Trustee New York University. Member of Harvard, National Arts (New York City).
Son of Paul S. and Sylvia (Neikrug) S. Child from previous marriage, Sarah Aliza. Married Diane L. Heidt, 1987.
Children: Paul Steven, Rachel Catherine.