Marney McCabe has left his role as co-head of global securities lending at Brown Brothers Harriman (BBH) after 16 years with the company.

With 20 years of experience, McCabe joined Fidelity Investments’ institutional trading arm, Fidelity Capital Markets, as head of relationship management for agency lending.

McCabe will be responsible for Fidelity Agency Lending’s relationship management and customer experience strategy.

The Boston Chapter co-lead for Women in Securities Finance has spent more than 16 years in securities lending. McCabe has experience developing differentiated and highly customized agency loan programs for many of the world’s largest asset managers.

In addition, McCabe has worked as a portfolio manager, providing investment and wealth management services to high net worth and small institutional clients, and as an equity research associate and international old paper trader.

Prior to joining Fidelity Capital Markets, McCabe managed BBH’s value-based agency program and market engagement strategy as co-head of global securities lending.

McCabe joined BBH in 2006 as Vice President of Global Securities Lending, where she managed the growth and retention of key securities lending clients, as well as the risk and compliance oversight of client programs.