Clearbrook Global Advisors, the US privately-held, independent investment management firm with $30 billion of assets, has appointed Leslie Billet as managing director, responsible for providing investment advisory services to institutional and high net worth clients of the firm.

Billet will be based in the firm’s New York headquarters and will report to Elliott Wislar, chief executive of Clearbrook, the firm said in a statement.

She brings over 32 years of experience to  the role, having previously worked at Gallagher Fiduciary Advisors - formerly Independent Fiduciary Services - where she was managed many of the firm’s institutional client relationships and oversaw investment portfolios.

Prior to joining GFI, Billet was an investment officer at Brown Brothers Harriman, and a manager at the New York Stock Exchange.