Bill O'Malley

Bill O’Malley is Chief Executive Officer and, until March 2025, Co-Chief Investment Officer at Income Research + Management (IR+M), a Boston-based fixed income investment manager overseeing over $100 billion in assets. In his current role, he is responsible for leading the firm's day-to-day operations, business strategy, and governance, while also chairing the management committee and serving on the board of directors.

A 25-year veteran at IR+M, O’Malley has overseen the Investment Team since 2007, sharing responsibility for all investment activity, including strategy and results management in U.S. fixed income asset classes. His investment focus spans a broad range of fixed income sectors—encompassing short duration, core, credit-only mandates, liability-driven investing for defined benefit pension plans, and tax-efficient municipal bond and crossover strategies for institutional and private clients.

Prior to joining IR+M, O’Malley served as Vice President at Wellington Management Company. He holds a Bachelor of Arts degree in Political Science from Amherst College and an MBA from The Wharton School, University of Pennsylvania. Widely recognized for his leadership and commitment to transparency, O’Malley also serves in governance and advisory roles at Amherst College and local community organizations.