LSE Executive Who Helped Rebuild Trading Platform to Quit

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Tony Weeresinghe, the London Stock Exchange Group Plc executive who helped rebuild the market’s core trading technology, plans to resign at the end of June.

He joined the exchange in 2009 after selling his company, Sri Lanka-based MillenniumIT, to LSE for $30 million. MillenniumIT forms the basis of LSE’s trading system. Now based in Boston, Weeresinghe, 52, plans to spend time with his family and “pursue his next entrepreneurial venture,” according to a memo sent to LSE employees today.