Sommelier Sandia Chang, founder of Champagne and hotdog restaurant Bubbledogs, reveals her ultimate Champagne vintage, the historic wine region she just can’t get along with and most-hated customer habit.

Rémi Cousin, head sommelier at Le Gavroche, reveals his former life as a Rugby player, the wine that led him down the path of sommellerie and his most memorable customer encounter, with Coldplay’s Chris Martin.

Ronan Sayburn MS regales WLC with tales of marriage proposals gone awry, his former life as a driving instructor, a bottle of 1900 Margaux and orange Margaritas with Paul McCartney.

Christopher Lecoufle, head sommelier at Les 110 de Taillevent, on his greatest culinary inspiration, what customer habit really winds him up, and his previous life as a fireman.

Didier Catelo, head sommelier and wine buyer of Medlar in Chelsea, reveals his least favourite grape variety and why a Muslim women who did not drink was his most memorable customer.

Master Sommelier Gino Nardella has worked at The Stafford in London for over 40 years. Here, he reveals his favourite post-work tipple, his love of mathematics and a penchant for a very particular bottle of 2010 Rioja.

Laure Patry, executive head sommelier at Social Wine & Tapas, part of chef Jason Atherton’s Social Group, reveals her love for Palo Cortado and hard cheese, and how she once served the band U2.

Clement Robert MS, group head sommelier and wine buyer at 28-50, reveals his most embarrassing front-of-house moment and the one grape variety he finds it impossible to get along with.

In the first of our new series of Unfiltered sommelier interviews, Elvis Ziakos of two Michelin-starred The Greenhouse reveals his newly discovered perfect foie gras pairing, and his love for the Greek island of Santorini.