ApexHierarchy
David Schwimmer

David Schwimmer

Low National Level Public Record
Editorial estimate, not verified fact — Disclaimer

Chief Executive Officer, London Stock Exchange Group

London, United Kingdom

Data Confidence: 72% · Sources: 1 · Last Updated: Sep 18, 2026

Net Worth
Undisclosed — estimated significant wealth
Reach
15.0M people
Power
Controls the operator of the London Stock Exchange plus major global clearing (LCH) and financial data (formerly Refinitiv) infrastructure.
Influence
LSEG's market infrastructure underpins price discovery and settlement for a large share of European equity and derivatives trading.
Network
Engages directly with UK financial regulators, global exchange operators, and major institutional trading firms.
Legacy
Transformed LSEG from a pure exchange operator into a diversified financial data and analytics company via the Refinitiv acquisition.
Trajectory
Stable — first assessment on record.

About

David Schwimmer has served as Chief Executive Officer of London Stock Exchange Group (LSEG) since August 2018, continuing in the role as of 2026. LSEG operates the London Stock Exchange alongside major financial data and clearing businesses including Refinitiv and LCH.

Known For

Leading London Stock Exchange Group, the operator of the London Stock Exchange and a major global financial data and clearing infrastructure business.

Connections

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Sources