Global Leadership Team


Ian Lowitt

Group Chief Executive Officer


Rob Irvin

Group Chief Financial Officer

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Paolo Tonucci

Chief Strategist and CEO, Capital Markets

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Simon van den Born


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Arthur Fan

Head of APAC


Graham Francis

Group Chief Operating Officer

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Nilesh Jethwa

CEO, Marex Solutions

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Karen Neffar

Group Head of HR


Dean Shoosmith

Chief Risk Officer

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Thomas Texier

Head of Clearing

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Matthew Thistle

Global Head of Energy

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Ram Vittal

CEO, Marex North America

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Ben Bennett

Global Head of Operations

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Ann Marie Bull

Group Head of Compliance

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Bastien Declercq

CEO, CSC Commodities

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Michael Dugan

Chief Technology Officer


Terry Hollingsworth

Global Head - Futures Clearing Sales

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Stephen Hood

North America Chief Risk Officer

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Adam Hooker

Global Head of Risk

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Nick Jones

Head of Legal

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Olivia Kalocsai

Head of M&A and Strategy


Nicola Ratchford

Global Head of Corporate Affairs


Michael Rosen

Global Co-Head of Prime Brokerage and Outsourced Trading


Jack Seibald

Global Co-Head of Prime Brokerage and Outsourced Trading

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Angelo Sofocleous

Head of Securities


Stephanie Weiss

Global Head of Treasury

The Team

The Marex senior management team and the Board that oversees them is made up of individuals with incomparable experience in commodities and financial services.