American Beacon Partners Appoints William MacGregor as Deputy General Counsel

IRVING, Texas--(BUSINESS WIRE)--American Beacon Partners (“American Beacon”), an experienced provider of investment advisory services to institutional and retail markets, today announced the appointment of William (“Bill”) MacGregor as Deputy General Counsel, further strengthening the firm’s legal and regulatory leadership as it continues to support the evolving needs of investment managers and fund clients.

MacGregor brings more than two decades of experience advising investment funds, fund boards, and asset managers on legal, regulatory, and governance matters. Over the course of his career, he has worked both in private practice and in senior in-house legal roles, giving him a firsthand understanding of the challenges investment firms face in an increasingly complex regulatory environment.

Prior to joining American Beacon, MacGregor was a partner in the Investment Management Group at Stradley Ronon Stevens & Young LLP. Earlier in his career, he served as Executive Vice President, Secretary and General Counsel of Equitable Investment Management Group, where he oversaw legal and compliance support for multiple registered fund complexes and helped guide development, board governance, and regulatory strategy.

Greg Stumm, President and CEO of American Beacon Partners, said: “Bill’s experience spans virtually every corner of the asset management industry from advising fund boards and investment advisers to helping launch new products and navigate regulatory change. He brings a practical approach to solving problems and supporting clients, which makes him a great fit for our team.”

MacGregor has extensive experience advising registered investment funds, independent trustees, interval and tender offer funds, investment advisers, and alternative investment products. Throughout his career, he has worked closely with fund boards and management teams on issues ranging from governance and compliance to product innovation and strategic growth initiatives.

MacGregor added: “I am excited to join American Beacon and work alongside such a talented team. The firm has built a strong reputation for delivering high-quality solutions and service to clients across the asset management industry. I look forward to contributing to its continued success and helping clients navigate an increasingly dynamic regulatory environment.”

MacGregor earned a Master of Laws (LL.M.) in Banking, Corporate and Finance Law from Fordham University School of Law and a Juris Doctor from the University of Miami School of Law.

For more information, visit the American Beacon site: www.ambeacon.com.

About American Beacon Partners
American Beacon Partners, formerly known as Resolute Investment Managers, is a diversified asset management platform with affiliated and independent partnerships with more than 30 investment managers. Drawing on approximately 40 years of investment expertise, innovation and adaptability, American Beacon Partners delivers enduring value through traditional and alternative solutions designed to meet investors’ evolving needs.

Driven by future value creation, American Beacon Partners’ unique platform delivers strategic benefits through a full suite of distribution, operational and administrative services that may be leveraged by its affiliates. We offer three customizable partnership models tailored for the U.S. wealth and retirement markets. For affiliated partners, we make strategic investments in boutique asset managers to enhance distribution and administrative support functions. For strategic distribution partners, we help investment managers leverage our distribution expertise to achieve greater scale. For sub-advisors to American Beacon Advisors, we assist institutional-caliber asset managers who are seeking to expand their strategies to retail markets through existing funds or new fund launches.

As of June 30, 2026, American Beacon Partners’ affiliates had $91.7 billion in assets under management and $108.1 billion in assets under management and distribution. American Beacon Partners’ affiliates include American Beacon Advisors, Inc.; National Investment Services of America, LLC; RSW Investments Holdings LLC; Shapiro Capital Management LLC; SSI Investment Management LLC; and Resolute Investment Distributors, Inc. For more information, please visit www.ambeacon.com. American Beacon Partners is a service mark of Resolute Investment Managers, Inc. The American Beacon Partners logo is a service mark of American Beacon Advisors, Inc.

For more information, please visit www.ambeacon.com.

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