AMG Taps Value Investing Icon Staley Cates for Board Director Role

WEST PALM BEACH, Fla. – February 26, 2026 – Affiliated Managers Group (AMG) today announced a significant leadership evolution, appointing decorated value investing veteran G. Staley Cates to its Board of Directors, effective April 1, 2026. The move coincides with the retirement of Karen L. Alvingham from the board after an eight-year tenure and the re-appointment of Jay C. Horgen as President, reinforcing leadership stability.

The appointment of Cates, a stalwart of disciplined, long-term investment strategy, is being interpreted as a powerful affirmation of AMG's core mission to partner with and support high-performing independent investment firms. With a market capitalization of $8.3 billion and a stock that has surged 87% over the past year, these governance changes arrive as AMG navigates a period of robust performance and strategic focus.

A Strategic Infusion of Value Investing Acumen

The centerpiece of the announcement is the addition of G. Staley Cates, whose four-decade career at Southeastern Asset Management has made him a respected figure in the investment community. Cates, who retired from his role as Vice Chairman at Southeastern in 2024, was instrumental in building the firm's reputation on a foundation of deep value principles. His tenure, which included serving as President from 1989 to 2015, was defined by a rigorous investment philosophy centered on what Southeastern famously calls the “Business, People, Price” framework.

This approach, rooted in the teachings of Benjamin Graham, prioritizes investing in high-quality, understandable businesses run by capable and aligned management teams, but only when they can be purchased at a significant discount to their intrinsic value. This disciplined, patient style led to significant accolades. During Cates's leadership, he and his partner Mason Hawkins were named Morningstar's Domestic Equity Fund Manager of the Year in 2006, and Southeastern's Longleaf Partners Funds were lauded by Money magazine as “The Best Mutual Fund Family in America” in 1998. Legendary Yale endowment manager David Swensen praised Southeastern in his book “Unconventional Success” for its investor-first practices, including concentrated portfolios and strong manager co-investment.

Loren M. Starr, Chair of AMG’s Board of Directors, highlighted the strategic value of this expertise in the company's official announcement. “Staley is a distinguished investor and business leader whose four decades at Southeastern were defined by a deep commitment to long-term value creation, disciplined capital allocation, and shareholder alignment,” Starr stated. “Staley will bring unique insight to our boardroom.”

For AMG, a holding company whose success is predicated on identifying and partnering with elite independent asset managers, Cates's experience is more than just relevant—it is a mirror of the very ethos it seeks in its Affiliates. His profound understanding of what makes an independent firm successful from the inside out provides AMG’s board with an invaluable perspective as it allocates capital and provides strategic support across its diverse portfolio of managers.

Board Evolution and Leadership Continuity

Cates's appointment is paired with the retirement of Karen L. Alvingham, who has served on the board since January 2018. Her departure marks the end of a significant chapter for the company. In his statement, Starr expressed the Board’s “sincere appreciation to Karen for her dedicated service and thoughtful counsel during a pivotal period of growth and evolution for AMG.”

Lady Alvingham’s tenure coincided with AMG’s continued expansion and strategic refinement, particularly its successful push into alternative investment strategies, which have recently been a primary driver of the firm’s strong earnings. In her farewell remarks, she noted, “It has been an honor to serve on AMG’s Board over the past eight years. I have great respect for the firm’s commitment to its shareholders, Affiliates, and clients.”

Balancing this board refreshment is a clear message of leadership stability. The company also announced the re-appointment of Jay C. Horgen as President, a role he will hold in addition to his ongoing position as Chief Executive Officer. This move ensures that the executive leadership responsible for steering the firm to its recent successes remains firmly in place. This continuity is crucial as AMG, with approximately $813 billion in assets under management as of year-end 2025, continues to execute its strategy in a competitive global market.

Governance for a New Era of Asset Management

The changes at AMG reflect broader trends in corporate governance within the financial services industry. Boards are increasingly seeking directors not just for general business oversight but for specialized, battle-tested expertise that can help navigate complex market dynamics, technological disruption, and evolving investor expectations.

The selection of Cates is a textbook example of this trend. By bringing in a director whose entire career has been dedicated to fundamental analysis and capital stewardship, AMG strengthens its governance DNA with the core skill set that underpins the entire asset management industry. This move is likely to resonate well with both institutional investors and AMG's own partner firms, who see a kindred spirit joining the board.

Furthermore, Cates brings a distinguished record of civic and philanthropic leadership. As a co-founder of the New Hope Christian Academy, founding chairman of the Memphis Grizzlies Charitable Foundation, and chairman of the Poplar Foundation, his work demonstrates a deep commitment to community impact. While his primary role will be financial and strategic oversight, this background aligns with the growing emphasis on Environmental, Social, and Governance (ESG) factors and the broader role of corporations in society. This holistic perspective on value creation—both for shareholders and for the community—is an increasingly prized attribute in modern boardrooms.

Investor Outlook and Strategic Direction

The market has responded favorably to AMG's strategic execution, with its stock trading at $312.63 on the day of the announcement. Recent financial results have been strong, with fourth-quarter adjusted earnings surpassing analyst estimates, largely fueled by the performance of its liquid alternative strategies.

Analyst sentiment suggests that despite its impressive run, AMG may still hold value. Analysis from InvestingPro indicates the company is trading at an attractive P/E ratio of 13.7 relative to its growth, suggesting that the market may not have fully priced in its prospects. The combination of strong performance, stable executive leadership under CEO Jay Horgen, and the strategic enhancement of its board with an investor of Cates's caliber creates a compelling narrative.

Ultimately, the board transition appears to be a deliberate and strategic move designed to reinforce AMG’s strengths. By bringing in a director steeped in the principles of long-term value investing, the company is doubling down on its commitment to disciplined capital allocation and its unique partnership model. As AMG continues to navigate the opportunities and challenges of the global asset management landscape, this blend of fresh perspective and proven leadership positions the firm to build on its recent momentum.