Management Team


Mark Poole


Non-Executive Chairman

Mark is a Chartered Accountant with over twenty years of financial and commercial experience. He currently acts as a corporate adviser and non executive director on a number of companies. He worked for the Virgin Group for over 20 years (with ten years as Group Finance Director) where he was responsible for financial strategy including corporate finance, tax, treasury, accounting and financial reporting. Mark has gained significant experience in most aspects of finance and taxation in a dynamic, large, complex, diverse and multinational commercial organisation. He served as a nonexecutive director of numerous operating and holding companies including amongst others the Virgin Group main board, Virgin Atlantic (airline) and Virgin Active (gymnasiums).

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Andrew Thatcher


Managing Partner

Andrew founded Flagstone in 2013 after a 15-year career in Banking and Hedge Funds working for Merrill Lynch, Citigroup, GLG Partners (Principal, Co-Head of UK) and MAN Group (Executive Director, Asia) in the UK and Hong Kong. He has significant experience of a wide range of financial instruments and has successfully managed teams to develop and launch a number of products for both institutional and retail clients.

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Simon Merchant


Managing Partner

Simon started his career with ten years at Morgan Stanley as an investment banker in Europe and the United States. In 2000, he cofounded and built a market-leading financial technology business that was sold to a US public company in 2005. Since then, Simon has worked as an entrepreneur and investor in the European media and technology market, as well as the private equity market in Sub-Saharan Africa. He joined Flagstone in 2014 as a Partner with responsibility for sales and finance.

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