Parcella joined Mellon Capital in 1997 and became COO in 2008. During her tenure at the firm, she has ensured a focus on risk management, fiduciary integrity and management capabilities.

Grenier will join TBCAM on 1 June 2011. He will Deutsche Asset Management, where he was chief investment officer and global head of institutional investments at DB Advisors.

Prior to this, he spent 14 years at Fidelity Management & Research (FMR), where he was a senior vice president, overseeing a $500bn investment platform.

Grenier will work with David Cameron on a smooth transition of responsibilities. Cameron will assume a senior role within BNY Mellon Asset Management where he will assist the leadership team with its firm-wide strategic agenda.

In addition to these appointments, Charlie Jacklin named as chairman of Mellon Capital and will focus his time on investment strategies and client relationships.

Tom Loeb, currently chairman, will join his Mellon Capital co-founder, Bill Fouse, in the role of chairman emeritus.