New York, London, Hong Kong - October 8, 2015 – Brown Brothers Harriman & Co. (BBH) today announced the appointment of Seán Páircéir, Partner, as Global Head of Investor Services, effective 1 January 2016. Mr. Páircéir succeeds William Tyree, who will assume the role of Managing Partner on 1 January.

Mr. Páircéir has spent his career in the global investment funds and banking industries, and the past 15 years at BBH. After joining the Firm as a Managing Director in 2000, he was appointed Partner in 2010. In addition to leading the Firm’s Investor Services Relationship Excellence discipline, Mr. Páircéir has served as co-head of Europe, Middle East and Africa for Investor Services.  Resident in Dublin, he has been instrumental in driving the Firm’s success in servicing global asset managers and financial institutions across the globe.

William Rosensweig, Partner, will succeed Mr. Páircéir as Head of the Investor Services Relationship Excellence discipline.  Mr. Rosensweig joined BBH in 2001, was appointed Partner in 2012, and has held leadership roles in the Firm’s Boston, London, and Hong Kong offices. Resident in Boston, he will retain responsibility for the Firm’s relationships with US asset managers, including ETF and Alternative Fund sponsors. 

"Under Bill Tyree's leadership, our Investor Services business has grown at more than double the rate of our peers.  I am honoured to succeed such a leader and could not be more excited about the future of our business,” said Seán Páircéir.  “Our strategy to grow trusted, valued, and differentiated relationships with our clients continues to advance our leading position in the markets in which we operate and will serve our clients well into the future.”

About Brown Brothers Harriman & Co.

BBH is a privately held financial institution that has been a thought leader and solutions provider for nearly 200 years. The Firm serves individuals, families, businesses, and institutions in its three business lines: Investor Services, Investment Management, and Private Banking. In addition to the $4.7 trillion in assets under custody and administration in Investor Services, BBH Investment Management has $54 billion in assets under management (AUM), and Private Banking has $27 billion in AUM. BBH’s culture of accountability fosters deep and lasting relationships built on commitment, adaptability, and trust. The company is independent, selective, and specialised by design.

BBH operates a global business with eighteen locations, including New York, Boston, Beijing, Charlotte, Chicago, Denver, Dublin, Grand Cayman, Hong Kong, Kraków, London, Luxembourg, Nashville, New Jersey, Philadelphia, Tokyo, Wilmington, and Zürich. For more information about Brown Brothers Harriman, please visit

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