Guy Sangster
Profile Verified by The Marque
Last Updated: 22 Sep 2026
Public Relations & Brand Ambassador, Business and Strategy Development
London, GB
Profile Verified by The Marque
Last Updated: 22 Sep 2026
THE MARQUE
In Their Own Right
Biography
Guy Sangster is an investor and adviser to a range of businesses, including boutique investment company Hambro Perks and Ascot Racecourse. He is also a Consultant and Brand Ambassador for Chateau d’Esclans and its hugely successful rosé wine, Whispering Angel.
Previously, Guy has acted as a consultant to Thornhill Investment Management and Betfair. He has held Non-Executive Directorships in the Regal Hotel Group and Vebnet, now part of the Standard Life Aberdeen Group. He was an Executive Director at Thomson T-Line PLC and Rural Heat Limited, a start-up biomass company. Guy began his career in banking, at Singer & Friedlander Merchant Bank.
Guy was a Director of the Sangster Group for over 25 years. The Group comprised companies owned by the Sangster family and were principally involved in the bloodstock, horseracing and property industries. Under Guy’s stewardship the companies prospered and in 2015 the Manton Estate, renowned for its racing heritage, was successfully sold. His philanthropic activities include helping to raise over £3m for the RNIB as Co-Chairman of the Fundraising Committee. As a Founding Trustee of the Cancer Vaccine Institute, Guy helps to raise £750,000 every year to aid research into vaccines to cure or prevent cancers.
The Record
Background
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2006 — Present
Public Relations & Brand Ambassador, Business and Strategy Development
Chateau D'Esclans
Chateau d'Esclans is the producer of the rosé wine, Whispering Angel. Guy acts as a consultant to the owner, Sacha Lichine, to promote the brand in the UK. Current worldwide sales are 2.5 million bottles a year.
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1980 — 1981
Banker
Singer & Friedlander Merchant Bank
Founded in 1907, Singer & Friedlander Plc was a City of London based merchant bank.
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1982 — 1987
Institutional Stockbroker
L. Messel & Co. Stockbrokers
This included a 6 month secondment to New York following their take over by Shearson Lehman.
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1987 — 1992
Director
Thomson T-Line PLC
Director of the mergers and acquisition team for this mini conglomerate while its market capitalisation grew from £15m to £180m until it was taken over by Ladbrokes PLC in a hostile takeover.
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1988 — 2015
Managing Director
The Sangster Group Ltd
The key roles were managing an orderly transition from a bloodstock company to a sporting and family estate, identifying land suitable for redevelopment and running horse syndicates for clients. In 2007, at the peak of the market, The Sangster Group sold two Australian Stud Farms and substantial bloodstock. In 2015 the Manton Estate in England was also sold.
Formative Years
Education
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Harrow School
1974 — 1979
Areas Of Focus