Stephen J. Keller serves as the Chief Financial Officer of Compass Diversified, a publicly traded holding company focused on acquiring and managing controlling interests in middle-market businesses. He joined the company in May 2021, bringing over 25 years of progressive finance and accounting leadership to drive financial strategy, capital allocation, and operational excellence. In his role, Keller oversees all aspects of financial planning, reporting, treasury, tax, and investor relations, playing a key part in executing the company's buy-and-build strategy across its diverse portfolio of subsidiaries. Prior to Compass Diversified, Keller was CFO at Ryan, LLC, a leading global tax services firm, from 2016 to 2021, where he managed financial operations during rapid expansion, including international growth and technology investments. His earlier career included senior roles at Deloitte & Touche, where he specialized in audit and advisory services for public companies, as well as positions at other firms honing his expertise in mergers and acquisitions, SEC reporting, and enterprise risk management. A Certified Public Accountant, he holds a Bachelor of Business Administration in Accounting from the University of Texas at Arlington. Keller's achievements include optimizing capital structures to fuel growth, enhancing EBITDA performance through disciplined financial oversight, and navigating complex transactions that have strengthened shareholder value. At Compass Diversified, he has been instrumental in supporting multiple acquisitions and divestitures, contributing to the company's resilient performance amid market volatility and positioning it for sustained long-term success.