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David Harrison

Last Updated: March 2, 2026

David is the head of sustainability and lead fund manager of the Rathbone Greenbank Global Sustainability Fund at Rathbones Asset Management. David joined Rathbones in June 2014 after 14 years working in equity analysis and fund management, including time at Hermes and Goldman Sachs. David is a Chartered Financial Analyst (CFA) charterholder and holds the Investment Management Certificate. He graduated with a BSc (Hons) in Economics and Politics from the University of Southampton.

Our People

James Pettit

Last Updated: March 2, 2026

James has completed an MSc in banking and international finance from Cass (now Bayes) Business School. James joined Rathbones in January 2008 as an investment manager. Prior to joining Rathbones, James worked at HSBC Investments for four years, specialising in the management of portfolios for charities and other not-for-profit organisations. James sits on the Collectives Research Committee at Rathbones, covering infrastructure and listed private equity funds.

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Christophe Borysiewicz

Last Updated: March 2, 2026

Christophe has 18 years’ experience in providing and managing investment solutions for charities, not-for-profit organisations, and pension funds. He joined Greenbank in 2021 from Epworth Investment Management, where he was head of investment management. He is a Chartered Financial Analyst (CFA) Charterholder, having graduated in Philosophy, Politics and Economics from Jesus College Oxford. He has a master’s degree in Japanese Studies from the University of Leeds. He has experience as a charity trustee and is currently a trustee director of a charity defined benefit pension scheme.

Our People

Matthew Hall

Last Updated: March 2, 2026

Matthew is an investment manager and a Chartered Fellow of the Chartered Institute for Securities & Investment.
His focus is on the construction and management of bespoke investment portfolios. He specialises in managing funds for private individuals of all ages, pensions, charities and trusts. Matthew prides himself on the high level of service that he provides to clients and being able to provide innovative solutions to meet their individual needs.