Frequently Asked Questions

Last updated: April 2026

About Grand Cru & Etiquette (GC&E)

  • What is Grand Cru & Etiquette (GC&E)? Grand Cru & Etiquette (GC&E) is a media and a private advisory practice founded in Paris in 2025. It exists at the intersection of wine, cultural intelligence and professional distinction — for international executives and senior professionals who understand that the most consequential conversations of their careers happen not in the meeting, but at the table before it.

  • Who is GC&E for? GC&E works with international executives, diplomats, senior consultants and professionals who operate — or aspire to operate — at the highest levels of the French and Francophone professional world. The common thread is not a sector or a title: it is a recognition that cultural fluency, at a certain level of ambition, is no longer optional.

    GC&E does not address beginners in the conventional sense. It addresses experienced people who have identified a specific gap — and who take that gap seriously.

  • Who is the founder? Maria Kumessa is the founder and principal of GC&E. She holds a Master's degree in Management, a Certified Champagne Specialist qualification from the Comité Champagne, and the title of French Wine Ambassador from the École des Vins et Spiritueux de Paris. She has formal training in sommellerie and has been studying oenology with discipline since 2019. Before founding GC&E, she spent years in senior leadership roles in nonprofit and healthcare organisations in France.

    She conducts every engagement personally. GC&E is not a team or a platform. It is a practice built around one person's expertise and judgement.

The Advisory Engagement

  • What is the private advisory engagement? The advisory is a bespoke, one-to-one engagement — structured as a private coaching — designed around your specific professional situation. It is not a wine course. It does not follow a curriculum. It begins with a conversation about the specific context you are operating in, the specific gaps you have identified, and the specific room you need to be ready for.

    It is conducted in English or French, remotely or in person in Paris, over a period typically ranging from two to eight weeks, with two sessions of two hours per week.

  • How does an engagement begin? With a discovery conversation of thirty minutes, complimentary and without obligation. This conversation is used to understand your situation, your objectives, and whether GC&E is the right fit. It is conducted by telephone or video call, in English or French.

    To request a discovery conversation, please use the Contact section of the Site.

  • What does the engagement cover? Every engagement is built around your situation, so no two are identical. The areas most commonly addressed include: the French professional table as a decision-making environment; the language of wine selection and service in professional contexts; the cultural codes of the major French wine regions and what they reveal about the French mind; palate development and sensory vocabulary; cross-cultural navigation in dining and negotiation contexts; and the etiquette of wine as a professional gift.

  • Is the engagement confidential? Entirely. Everything shared within an advisory engagement is treated as strictly confidential. GC&E does not reference client relationships in its communications, does not use client information for any purpose other than the delivery of the engagement, and does not disclose the existence of a relationship without explicit consent.

  • How many clients does GC&E work with at one time? A small number — deliberately so. The quality of each engagement depends on the attention given to it. GC&E does not scale its advisory practice. When capacity is full, enquiries are placed on a waiting list.

  • Is the engagement available outside France? Yes. Remote engagements are conducted worldwide. In-person sessions take place in Paris. For clients who require sessions in another location, this can be discussed at the time of the discovery conversation.

Content and Editorial

  • Is the editorial content on the Site free? Yes. All essays and analyses published on the Site are freely accessible without registration.

  • At what frequency is new content published? GC&E publishes on four distinct channels. Essays appear in the Site once a monthly. The GC&E Letter — a free newsletter — goes out twice a month. The GC&E Review, a paid quarterly magazine, will be published once a season.

  • Does GC&E use artificial intelligence to write its content? No. All content published under the GC&E name is written by Maria Kumessa or by contributors working under her editorial direction. Where research tools are used in the drafting process, all content is subject to human editorial judgement, verification and revision before publication. GC&E does not publish content generated entirely by AI and presented as original analysis.

  • May I cite or reproduce GC&E content? Brief quotation for journalistic, academic or non-commercial purposes is permitted, provided the source is clearly attributed as: Grand Cru & Etiquette, www.grandcruandetiquette.com, with a link to the original where technically possible. Any reproduction beyond brief quotation — in whole or in substantial part — requires prior written authorisation from GC&E. For requests, please use the Contact section of the Site.

Practical Matters

  • Does GC&E sell wine? No. GC&E is an independent advisory practice. It does not sell, distribute or hold stock of wine or spirits. Recommendations made within the advisory engagement are independent and leave you entirely free to source your selections from the retailer of your choice.

  • In what languages does GC&E operate? All advisory engagements, and correspondence are conducted in English and French.

  • Where is GC&E based? GC&E's adress is at 60 rue François 1er, 75008 Paris, France. Remote engagements are conducted worldwide.

  • May I propose a collaboration, speaking engagement or media enquiry? Collaboration proposals, speaking invitations and media enquiries are welcome. Please contact us through the Contact section of the Site with a brief description of your project. We read every message and respond to those that are a genuine fit.

  • How do I get in touch? Through the Contact section of the Site at www.grandcruandetiquette.com/contact. Every message is read personally by Maria. Responses arrive within 48 hours on business days.