The US wealth management firm made another senior hire this week - this time for its family office services area.

Cresset, the US wealth management group, has appointed Mark Tremblay (main picture) as executive managing director, head of family office services. 

Formerly regional director and head of family office management for Bessemer Trust, Tremblay has worked in the wealth sector for more than two decades.

Before Bessemer – where he led all client service delivery for the Midwest region – Tremblay spent 12 years as a strategy consultant with the Monitor Group and was responsible for large-scale corporate transformations. Tremblay has a background in delivering tailored fiduciary, tax, trust, and estate services for ultra-high net worth families and large single-family offices.

“Mark has spent more than two decades working alongside highly sophisticated families through liquidity events, generational transitions, and the ongoing challenge of managing multiple moving parts at once. That experience brings a level of judgment and perspective that is earned over time,” Cresset CEO Susie Cranston said in a statement yesterday. 

Tremblay earned an MBA from Harvard Business School, an MLitt from the University of St Andrews in Scotland, and a Bachelor of Arts, magna cum laude, from Harvard University. He lives in New York City with his family.

Earlier this week, Cresset appointed Ali Bathgate Hild (pictured below) as a managing director in its Denver office, having joined from JP Morgan Private Bank.

Ali Bathgate Hild

Among recent moves, Cresset Capital Management, appointed Mark Ostroff as managing director, wealth advisor. In March, Cresset said Cranston (pictured below), formerly president of the firm, assumed the role of chief executive officer.

Susie Cranston

Co-founders Avy Stein and Eric Becker continued as executive co-chairmen. There have been high-level changes in recent years. Lisa Nesvold, who became Cresset president in 2023, left and re-surfaced as chair of Emigrant Partners in February 2024. The firm made several C-suite changes in July 2025. FWR spoke to Eric Becker in October last year.