prestigious Master Sommelier Diploma
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Thomas Trevethan is a Level 3 Advanced Sommelier and an eligible candidate within the Court of Master Sommeliers, having successfully achieved the Advanced Sommelier certification—the prerequisite required to pursue the prestigious Master Sommelier Diploma. This places him among a select group of beverage professionals worldwide qualified to participate in the rigorous Master Sommelier examination process, recognized as the highest standard of wine and beverage expertise in the industry.
Thomas advanced credentials demonstrate exceptional knowledge in wine theory, tasting, service, beverage management, and guest engagement, while reflecting the technical, operational, and hospitality skills expected of future Master Sommeliers. This expertise enables Thomas to deliver world-class wine programs, elevate guest experiences, increase beverage revenue, and provide professional leadership in luxury hospitality environments.
Thomas has curated the world’s largest and most prestigious wine program at sea, building a globally sourced cellar that spans the top 12 wine-producing regions and reflects a deep mastery of both Old World tradition and New World innovation. His approach blends historical context, terroir expression, and modern luxury hospitality, creating a program that is both educational and commercially driven.
He has developed structured tasting frameworks, including vertical and horizontal tastings, designed to showcase vintage evolution, winemaking philosophy, and regional identity. Through curated food and wine events and strategically engineered menus, he has elevated guest engagement while optimizing profitability across premium wine offerings.
WINE CELLAR MANAGEMENT Consulting Service TIERED Plans
Tier 1 – Foundation Wine Program $750/MTH
Designed for independent restaurants, boutique hotels, and emerging beverage programs seeking professional wine management and increased profitability
Services Include:
- Wine list review and optimization
- Cost analysis and pricing strategy
- Vendor and distributor negotiations
- Wine inventory management procedures
- Wine storage and cellar recommendations
- Quarterly staff wine education sessions
- Basic food and wine pairing recommendations
- Monthly beverage performance review
- Suggestive selling and upselling training
Revenue Growth Objectives:
- Increase wine sales by 5%–10%
- Improve wine-by-the-glass profitability
- Increase average guest check through wine pairing recommendations
- Reduce beverage cost variance and inventory losses
- Improve server wine attachment rates
Deliverables:
- Optimized wine list
- Beverage cost analysis report
- Inventory control guidelines
- Staff training materials
Tier 2 – Advanced Sommelier Program $1500/MTH
Ideal for multi-unit restaurants, resorts, country clubs, and luxury hospitality operations seeking elevated guest experiences and measurable revenue growth.
Services Include:
- Everything included in Tier 1
- Complete wine program development
- Signature wine-by-the-glass program
- Food and wine pairing menu creation
- Wine dinner and tasting event development
- Staff certification and advanced wine education
- Purchasing and par-level management systems
- Wine cellar organization and management
- Monthly inventory audits
- Guest-facing wine service standards implementation
- Beverage menu engineering and profitability analysis
Revenue Growth Objectives:
- Increase wine revenue by 10%–20%
- Increase average check by 8%–15%
- Improve premium wine sales mix
- Increase bottle sales through tableside presentations
- Develop profitable wine dinner and event revenue streams
- Improve beverage gross profit margins
Deliverables:
- Customized wine program handbook
- Wine pairing menus
- Event planning support
- Monthly KPI and revenue reports
- Inventory audit reports
Tier 3 – Executive Sommelier & Luxury Beverage $2,500/mth
A comprehensive executive-level consulting engagement for luxury hotels, destination resorts, fine dining operations, casinos, cruise lines, and large hospitality groups focused on maximizing beverage revenue and guest experience.
Services Include:
- Everything included in Tiers 1 and 2
- Executive Sommelier oversight
- Global wine sourcing and allocation management
- Rare and luxury wine acquisition strategy
- Complete beverage program development (Wine, Spirits, Cocktails, Non-Alcoholic)
- Opening support for new restaurants and hotels
- Michelin-level wine service standards
- VIP guest and private dining wine experiences
- Sommelier team recruitment and development
- Beverage cost reduction and profit optimization
- Annual wine list redesign and curation
- Luxury wine events, festivals, and celebrity chef collaborations
- On-site operational assessments and quarterly business reviews
Revenue Growth Objectives:
- Increase beverage revenue by 15%–30%
- Increase wine sales mix across all outlets
- Improve premium and reserve wine sales
- Drive higher guest spending through curated pairing experiences
- Create luxury wine events generating incremental revenue
- Reduce beverage costs by 2%–5% through procurement and inventory controls
- Increase EBITDA contribution from beverage operations
Deliverables:
- Executive beverage strategy plan
- Luxury wine and spirits portfolio
- Revenue optimization roadmap
- Annual training calendar
- Comprehensive beverage financial review
- Quarterly executive presentations
Expected Outcomes:
- Increased beverage revenue and profitability
- Enhanced guest satisfaction scores
- Elevated luxury service standards
- Stronger inventory controls and accountability
- Increased premium wine and reserve bottle sales
- Sustainable year-over-year revenue growth
