SIX’s head of equity products and quant research joins LSEG to lead market structure

Individual joins after nearly six years at the exchange and will oversee market structure and new products, The TRADE understands. 

SIX’s head equity products and quant research Simon Mason is set to join LSEG, as the firm’s new head of market structure and new products, The TRADE can reveal.  

London-based Mason brings more than two decades of industry experience to his new role, effective 1 December, and joins the firm after spending nearly six years at SIX, where he initially joined as head equity product for UK and Ireland in 2020.  

Prior to this, he spent almost eight years at Benchmark Holdings in roles as a business development manager, and later as head of BioSystems.  

He has also held senior positions as firms including Emerge Capital Partners, Morgan Stanley and AssetBacked Finance, and his new appointment at LSEG marks a return to the firm for Mason, who served as a business development manager at the firm from 2008 to 2009.  

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He began his industry career as a private banking relationship manager at Bank of Queensland in 2000.  

LSEG confirmed the appointment when contacted by The TRADE.  

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Mason’s appointment marks a further string of senior hires for LSEG in recent months. Most notably, in November, the exchange named Stephen Grady as head of open directory – community engagement and growth, joining from Tradeweb where he served as a strategy consultant. 

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