A team to deliver impact

The Management team

James Bryan Headshot

James Bryan

CEO

James joined The Big Exchange in 2024 with a passion to build a business that gives investors better choices for people and planet. With over twenty years’ experience in digital, most recently launching the Vanguard UK investment platform.

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Cathan McGranaghan

Operations Manager

Starting his career as a Civil Servant for the Ministry of Justice, Cathan has since run business management in the private and public sectors and will be overseeing our daily operations.

Liz Rees image.

Liz Rees

Impact Analyst


Liz joined The Big Exchange from Willis Owen where she was Head of Research for 7 years. Liz is the person going under the bonnet of funds to complete our impact assessments.

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Rod Stead

Head of Finance

Rod brings a wealth of experience to The Big Exchange. He qualified as a Chartered Accountant with Arthur Anderson before moving into a number of senior financial roles.

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Kim Goodall

Impact Analyst

Kim has a background in sustainable finance and holds a number of qualifications in the field. Before joining The Big Exchange, she was an independent sustainability consultant and has had a long career in financial services in a variety of leadership roles.

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Simon Strojan

Compliance Director

Simon has over 20 years’ experience in the financial services industry and is joining the team as Compliance Director. Simon is also working on some exciting new products for our customers!

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Hamish Martin

Customer Operations Associate

Hamish has recently graduated from City, University of London after studying Mathematics with Finance and Economics. Hamish is now looking forward to the beginning of his working career and helping the Customer Operations team at The Big Exchange.

The Board

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Campbell Fleming

Chair

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Nigel Kershaw, OBE

Director

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Bev Shah

Non-Exec Director

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Kevin Riches

Director

Picture of our CEO, Abi Sater

Abi Sater

Non-Exec Director

The Investment Committee

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Chris Ralph

Chair of the Investment Committee

Jennifer Walmsley headshot

Jennifer Walmsley

Member

Tara Gillespie Headshot

Tara Gillespie

Member

Tom Farrell Headshot

Tom Farrell

Member

The Impact Committee

Klara Kozlov

Klara Kozlov

Co-Chair of The Impact Committee

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Nigel Kershaw, OBE

Co-Chair of The Impact Committee

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+20 Advisors

Independent experts & fund managers.

Want to join The Big Exchange?

Every person at The Big Exchange is a part of our Mission. We believe in fostering a culture where thinking differently is encouraged and taking action is a priority.

If you are interested in hearing more about The Big Exchange or enquiring about any open roles, please email us at enquiries@bigexchange.com with your CV.

It may not be possible to respond to all applicants, but we really appreciate you taking the time to get in touch.