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Arman Tahmassebi

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About Arman Tahmassebi

http://www.flagstoneim.com/

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Arman Tahmassebi appointed Chief Executive Officer of Flagstone, succeeding Co-Founder Simon Merchant as the company enters its next phase of growth with nearly £19 billion in assets under administration.

Flagstone Appoints Fintech Operations Specialist, Arman Tahmassebi, as New CEO

January 12 2026

Arman Tahmassebi, a seasoned operations leader with more than 25 years’ fintech experience, has been appointed CEO of Flagstone

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