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Mark O'Halleron

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Decanter, Wine & Spirits Writer

Mark O’Halleron is a freelance wine and spirits writer based in Hove, United Kingdom. He joined Decanter in 2007 as tastings executive, organising panel tastings. He spent a year as awards tasing executive working on the Decanter World Wine Awards and Decanter Asia Wine Awards before leaving in 2015 to pursue a freelance career. He has a Level 4 Diploma from the Wine & Spirit Education Trust.

Decanter Cellar: 18 must-try Pinot Noirs

Our pick of contemporary Pinot Noir...

What do Tannat wines taste like?

Pour yourself a glass to mark Tannat day on 14 April...

By Mark O'Halleron Last updated 12 April 24
Picnic wine recommendations for the summer

Plan the perfect picnic by packing the right wines...

By Mark O'Halleron Last updated 10 August 23
Light white wines for summer under £20

White wines to enjoy this summer...

By Mark O'Halleron Last updated 7 August 23
Fairtrade wines: explained and top picks

Ethical drinking pleasure...

By Mark O'Halleron Published 27 February 23
Champagne styles explained

A range of styles to discover...

By Mark O'Halleron Published 14 September 22
Single quinta vintage Ports explained

Discover how improvements in winemaking have led to the rise of single quinta vintage Ports...

By Mark O'Halleron Published 1 June 22

Barrels explained

Discover how the origin, size, age and toasting level of a barrel can affect a wine's development and character.

By Mark O'Halleron Published 11 April 22
Botrytis explained

Botrytis cinerea is a phenomenon that unequivocally ranks as one of wine’s most magical and mysterious...

By Mark O'Halleron Published 22 February 22
Luigi Bosca: heritage, innovation, expression

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By Mark O'Halleron Published 16 September 20
Cono Sur: making a positive impact

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By Mark O'Halleron Published 15 September 20
Isole e Olena at The Ledbury

Decanter's Mark O'Halleron reports on vertical tasting of Isole e Olena at The Ledbury in London

By Mark O'Halleron Last updated 23 January 19
Cork: Quality and reputation

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By Mark O'Halleron Last updated 6 June 18

Environmental benefits of cork

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What is the impact of cork on the environment...?

By Mark O'Halleron Last updated 2 May 18
Vino de Pago: When is a Pago not a Pago?

By Mark O'Halleron Last updated 21 October 15
Sir Alex Ferguson and Concha y Toro tie the knot

It was a professional, polished affair, but then could one ever imagine a Manchester United-controlled press conference being anything but?

By Mark O'Halleron Last updated 27 May 15