Spirits Masterclasses
Focused sessions that turn production knowledge into confident tasting and recommendation.
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Spirits education for modern hospitality
Know the spirit.
Lead the room.
Proof & Principle turns complex spirits knowledge into clear, practical judgement for bartenders, hospitality teams and curious professionals.
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Agave law & production
Tequila
Protected origin, production choices, five classes and confident label reading.
Clear knowledge. Better service.
The academy journal
Start with the why.
Then learn the how.
Structured, visual spirits education designed to be understood, remembered and used behind the bar.
Origin, distillation & ageing
Cognac
Protected origin, double distillation, oak ageing and confident label reading.
Raw materials, styles & maturation
Caribbean
Rum
Molasses, cane juice, production choices, ageing styles and practical category understanding.
Law, production & sensory analysis
Scotch
Whisky
Protected origin, production choices, cask influence and confident label reading.
Agave law & production
Tequila
Protected origin, production choices, five classes and confident label reading.
The Spirits Library
One structure.
Every major spirit.
Proof & Principle is growing into a structured reference library for spirits: category law, raw materials, fermentation, distillation, maturation, labels and sensory logic, all connected rather than published as isolated articles.
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Whisk(e)y
Scotch live now. Irish, American, Canadian, Japanese and world whisky follow.
Cane Spirits
Rum, rhum agricole, cachaça, clairin and the production traditions behind them.
Grape & Wine Spirits
Cognac live now, with Armagnac, pisco and other grape brandies in the roadmap.
Agave & Mexican Traditions
Tequila is live now. Mezcal, raicilla, bacanora and related Mexican traditions follow.
Training & masterclasses
Knowledge that performs under pressure.
Every session is shaped for the room, the team and the commercial reality of hospitality. The language stays clear, practical and connected to service.
Discuss a programmeHospitality Team Training
Clear, practical learning built around service language, guest confidence and commercial relevance.
Cocktail Development
Structured support for menus, flavour architecture and drinks that remain operationally sound.
Founder / Spirits Educator
Meet the founder
Rabei Zaitouna
A hospitality professional and spirits educator translating deep technical knowledge into confident, useful service.
Based in Dubai and shaped by years behind the bar, Rabei founded Proof & Principle to close the distance between theory and practice. His approach is precise, accessible and built around one belief: knowledge becomes valuable when people can actually use it.
Syrian spirits educatorDubai, UAELuxury bar operationsTeam leadership
Follow Rabei on Instagram
Professional qualifications
WSET Level 3 Award in SpiritsMerit
WSET Level 3 Tasting ExaminationDistinction
Edinburgh Whisky AcademyDiploma in Single Malt Scotch Whisky
For brands, venues & academies
Education can build more than knowledge.
Proof & Principle welcomes thoughtful collaborations across spirits education, team development, masterclasses, menu storytelling and educational content.
Brand education & advocacy
Clear, technically accurate education that helps brands communicate production, flavour and purpose with credibility.
Venue and team training
Tailored sessions that strengthen product knowledge, confident recommendations and consistent guest communication.
Masterclasses & guest sessions
Focused experiences built around a spirit category, production method or tasting theme for hospitality teams and guests.
Editorial content partnerships
Research-led educational content shaped for digital platforms, campaigns and hospitality audiences.
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