Montserrat Barros

Montserrat Barros is an internationally recognised luxury hospitality consultant, educator and speaker with more than one decade of experience redefining service excellence across the world.

Official representative of The British Butler Institute for Mexico and Latin America, she has trained more than 15,000 hospitality professionals across 15+ countries.

Her expertise spans the world’s most prestigious luxury hotels, royal palaces, private residences, superyachts, private aviation and global luxury brands, including Rosewood, Ritz Carlton Reserve, One & Only, St. Regis, Waldorf Astoria, Chanel, Cartier and Tiffany & Co.

Her distinctive methodology combines operational excellence, anticipation, emotional intelligence and meticulous attention to detail, transforming service into memorable human experiences.

An international judge, writer and member of the International Women’s Forum (IWF) and Judge of MexBest. Montserrat continues to shape and elevate the future of luxury hospitality worldwide.

Gary Williams

Internationally recognised Butler and Hospitality Master Trainer and the Principal of The British Butler Institute, bringing decades of experience within the world of luxury hospitality, private service and UHNW guest experience.

Mr. Williams undertook his formal butler training at the renowned Ivor Spencer International School for Butler Administrators in Dulwich, London. Established in 1981, the school gained international acclaim for its training in the highest standards of private service. In 2002, its founder, Ivor Spencer, was awarded an MBE by His Royal Highness The Prince of Wales at Buckingham Palace.

Following his formal training, Mr. Williams was headhunted by a leading London recruitment agency to become Major Domo (Head Butler) for one of England's most prominent families at Studley Royal House in North Yorkshire.

In this prestigious position, he was responsible for the management and service of a substantial country estate, overseeing and training a large household team while maintaining the exceptional standards expected within a distinguished private residence.

Following this appointment, Mr. Williams went on to serve numerous high-profile UHNW clients and families around the world, working as Head Butler for individuals including members of royal families, captains of industry, prime ministers, international business leaders, technology entrepreneurs, prominent musicians, celebrated artists and other distinguished personalities.

His career has provided him with an exceptional understanding of the expectations, discretion and personalised service required when working within the world's most exclusive private residences and luxury environments.

Driven by a desire to develop and modernise the world of private service, Mr. Williams subsequently established Quintessentially Butlers, a specialist butler division of Quintessentially, the international luxury concierge group.

Today, through The British Butler Institute, Mr. Williams draws upon this extensive practical experience to design and deliver bespoke training and consultancy programmes for luxury hotels, resorts, private residences, yachts, aviation and other high-end hospitality environments around the world.

His approach combines the traditional principles of exceptional butler service with contemporary luxury hospitality, focusing on anticipation, discretion, personalisation, attention to detail and the ability to consistently create memorable guest experiences.

As Principal and Master Trainer, Mr. Williams continues to work internationally with luxury organisations and hospitality teams, helping them develop service cultures that go beyond simply meeting expectations—to consistently anticipate, personalise and exceed them.