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William Cassidy

Chief Technology Officer
William Cassidy

William (Bill) Cassidy is Chief Technology Officer at Janus Henderson Investors, a position he has held since 2024. He is responsible for all aspects of the global technology programme, including developing future technology strategy and fostering innovation across the firm. He is a member of the Janus Henderson Executive Committee and the Strategic Leadership Team. Prior to joining the firm, Bill held several roles at New York Life Insurance Company from 2018, most recently as senior vice president, global chief information officer from 2021. Before that, he was global head of reference data at Och-Ziff Capital Management (now Sculptor Capital Management) from 2014 and served as managing director, chief information officer from 2015. Previously, Bill was managing director and global head of data and index services at BlackRock for fourteen years. Earlier, he was senior development manager, back office platforms at Western Asset Management Company from 1999. He began his career as an analyst at Goldman Sachs in 1992 and became vice president, information technology in 1997.

William received a bachelor of science degree in computer mathematics with a minor in economics from Long Island University, graduating magna cum laude. He has 32 years of financial industry experience.