Los Angeles and Southwest Market Leader, RSM US

Mazza has been with the accounting firm RSM for more than 20 years and provides guidance and leadership for the firm’s culture, diversity and inclusion programs. He is an active mentor and ally for the firm’s employee network groups, which bring together people with diverse experiences and similar interests. Mazza has led audits of growing companies as well as mature public organizations with more than $1 billion in revenue and helped a client complete an $800 million initial public offering on the New York Stock Exchange. Mazza specializes in consumer and industrial products, retail and ecommerce, high technology and media and communications.

YEARS ON THE LA500: 5