William Cassidy

William Cassidy is Chief Technology Officer at Janus Henderson, a role he has held since 2024. His career includes serving as Senior Vice President and Global Chief Information Officer at New York Life Insurance Company from 2021 to 2024, as well as various technology roles there from 2018 to 2021. He previously held positions at Och-Ziff Capital Management, BlackRock, Western Asset Management Company, and Goldman Sachs. He earned a BS in Computer Mathematics with a minor in Economics, magna cum laude, from Long Island University.

• Chief Technology OfficerJanus Henderson2024 – Present
• Senior Vice President, Global Chief Information OfficerNew York Life Insurance Company2021 – 2024
• Technology rolesNew York Life Insurance Company2018 – 2021
• Managing Director, Chief Information OfficerOch-Ziff Capital Management (now Sculptor)2015 – Present
• Managing Director, Global Head of Data and Index ServicesBlackRock2014 – Present
• Senior Development Manager, Back Office PlatformsWestern Asset Management Company1999 – Present
• Analyst, then Vice President, Information TechnologyGoldman Sachs1992 – Present

• BS in Computer Mathematics, minor in Economics, magna cum laude · Long Island University

1. Janus Henderson 2026 proxy statement (SEC)