TOM CORBETT
EXECUTIVE CHAIRMAN
ALLIANT INSURANCE SERVICES INC.
WHY: Started at Newport Beach office when it had “zero business” in 1977, became CEO in 1994 and grew insurance firm to generate annual sales of $5B.
IN THE NEWS: Irvine-based company surpassed revenue goal in 2024, growing nearly 30% to $5.1B as of Dec. 30. Ranked No. 5 among OC’s largest private companies in June.
NOTABLE: Stepped down after more than 30 years as chief executive in 2024, remains as chairman.
