Mesirow Appoints Shawn Beber as Next CEO; Richard S. Price Moves to Executive Chairman

Mesirow's board voted unanimously to appoint Shawn Beber as the firm's next chief executive officer, the company said in a PR Newswire announcement on November 3, 2026. Beber joins from CIBC, where he was most recently president and CEO of CIBC Bank USA. Richard S. Price will continue serving as executive chairman.

Beber's CIBC Record and Mesirow's Board Vote

Beber spent more than two decades at the Canadian Imperial Bank of Commerce, holding senior roles across US Commercial Banking & Wealth Management, Risk Management, Legal and Strategy & Corporate Development. As president and CEO of CIBC Bank USA, he led the bank through a period of economic and market uncertainty, according to the announcement. The release states that Beber played a crucial role in CIBC's US expansion, including the $5 billion acquisition of The Private Bank in 2017.

Price, who will focus on organizational strategy and civic and community engagement as executive chairman, said: "Shawn has proven to be an extraordinary leader with the experience, judgment and ability to bring people together to serve clients and grow businesses." Beber said Mesirow has built an exceptional firm grounded in its entrepreneurial spirit and a deep commitment to its clients. "These qualities are a clear reflection of the strength of Mesirow's people and the culture that has been built over generations, and I am honored to join Mesirow to continue building on the firm's momentum and delivering meaningful value to the clients and communities we serve," Beber said.

Mesirow's Assets Under Supervision

Mesirow reported $410.3 billion in assets under supervision as of September 30, 2026, according to the announcement. According to akta.pro company records, Mesirow managed $359.4 billion in total assets under supervision as of December 31, 2025, and operates 22 offices worldwide. The same records list Mesirow's Fiduciary Solutions assets under management at $115.2 billion as of March 31, 2026, expanding to $138 billion with the LeafHouse acquisition.

Earlier Mesirow Leadership and Deal Moves

Mesirow Wealth Management hired Paul Arnold as Managing Director, Head of Investment Solutions, effective August 3, 2026, PR Newswire reported in October 2026. In September 2026, an entity tied to Mesirow bought Amgen's Deerfield office campus in a sale-leaseback deal for $151 million, The Real Deal reported. Mesirow Fiduciary Solutions completed its acquisition of flexPATH Strategies' plan-level 3(38) business in October 2026, PR Newswire reported.