The Marque The Marque

Simon McWilliams

Chief Financial Officer

London, UK | Dubai, AE


Simon McWilliams
Douglas McMahon
NEXUS Luxury Collection
Karen Mehiel
Kampack Inc

Simon McWilliams’ Biography

Simon McWilliams is a highly respected finance executive with extensive experience in scaling, institutionalising, and transforming multi-billion-dollar investment management firms, with a focus on hedge funds and private equity. He is known for successfully navigating complex, high-growth environments with significant assets under management, while leading lean, highly skilled teams to achieve outstanding results.

Simon is a Senior Business Advisor at WizzFinancial, a global fintech group, where he provides strategic and financial leadership.

Previously, Simon served as Chief Financial Officer at LetterOne, a multi-asset investment manager. During his tenure, he oversaw a $15 billion treasury business unit and managed all non-investment functions, including finance and operations.

Simon also held the position of Chief Operating Officer and Partner at Quantmetrics Capital, a short-term systematic quantitative trading firm, where he transformed the company from a boutique entrepreneurial entity into a recognised hedge fund, increasing assets under management and boosting institutional...
Simon McWilliams is a highly respected finance executive with extensive experience in scaling, institutionalising, and transforming multi-billion-dollar investment management firms, with a focus on hedge funds and private equity. He is known for successfully navigating complex, high-growth environments with significant assets under management, while leading lean, highly skilled teams to achieve outstanding results.

Simon is a Senior Business Advisor at WizzFinancial, a global fintech group, where he provides strategic and financial leadership.

Previously, Simon served as Chief Financial Officer at LetterOne, a multi-asset investment manager. During his tenure, he oversaw a $15 billion treasury business unit and managed all non-investment functions, including finance and operations.

Simon also held the position of Chief Operating Officer and Partner at Quantmetrics Capital, a short-term systematic quantitative trading firm, where he transformed the company from a boutique entrepreneurial entity into a recognised hedge fund, increasing assets under management and boosting institutional credibility. His earlier roles include key positions at Waha Capital, Investment Dar, and GLG Partners Inc.

Simon holds an MBA from IE Business School, where he graduated in the top 10% of his class; a Master’s in Finance from INSEAD; and a Bachelor of Accounting Science degree. He is a Certified Practising Accountant (CPA) and a Chartered Management Accountant (CGMA).

Away from business, Simon has a keen eye for contemporary art and an appreciation of fine wines. An avid long-distance runner, he has run countless marathons and ultra-distance events.

Simon devotes time to charitable pursuits and is a dedicated supporter of Chelsea & Westminster Hospital NHS Trust. He raised over £60,000 by running 10 marathons in 10 days, funded new blankets, commissioned a permanent artwork installation by Andy Burgess, and loaned several pieces of art to the hospital.
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Simon McWilliams’ Background

WizzFinancial
Senior Business Advisor
Jun 2023 - Present
Dubai, AE
WizzFinancial is a global fintech group specialising in cross-border payments, foreign exchange, microlending, digital wallets, and B2B payment technology solutions. It serves over 25 million customers across 170 countries, with a network of 250 correspondent banks.
 
LetterOne
Chief Financial Officer
Aug 2016 - Jun 2023
London, UK
LetterOne is an international multi-asset investment manager focused on long-term growth across energy, healthcare, technology, and retail sectors. Simon oversaw the $15Bn treasury business unit, managed non-investment functions including finance and operations, and led technological, internal control and process improvements.
 
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Philanthropy

Chelsea and Westminster Hospital NHS Trust
Fundraiser
London, UK
Simon raised over £60,000 for Chelsea and Westminster NHS Trust by running 10 marathons in 10 days.
 
Chelsea and Westminster Hospital NHS Trust
Donor and Supporter
London, UK
In addition to paying for blankets and artwork installations at Chelsea and Westminster Hospital, Simon has also loaned art from his private collection to the Trust.
 

Simon McWilliams’ Education

INSEAD
Master's in Finance
IE Business School
Master of Business Administration (MBA)
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