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Bonnie L. Hammerl Managing Director, Investor Services


Bonnie L. Hammerl is a Managing Director, and the Global Head of Risk Management, Investor Services and Markets, at Brown Brothers Harriman.

Bonnie joined BBH in 1999 as the risk manager of BBH's newly established global securities lending program. Prior to joining BBH, Bonnie co-founded and was a registered principal of Boston Global Advisors, a third-party securities lending provider acquired by Goldman Sachs in 1996. She was responsible for product development, risk management, legal/compliance and collateral management at the firm. Bonnie started her career at State Street Bank, where she spent seven years in various risk management and product development positions.

Bonnie has a BA degree in finance from the University of Notre Dame, and an MBA from Boston University.