About Chef John Guerrero · Restaurant Consulting Madrid

Founder

The Person Behind ChefBusiness

IMG · CHEF JOHN GUERRERO
Professional portrait

"70% of restaurants don't make it past 5 years. Not because they cook badly, but because nobody taught them how to run a business."

Chef John Guerrero has spent 29 years in professional hospitality and fine dining, since he first entered a kitchen at age 18. Since 2010, he has dedicated himself to professional consulting for restaurants, owners, chefs, and hospitality and food industry businesses. He has worked on over 120 projects in Spain, Latin America, and Asia: from independent restaurants to multi-location restaurant groups.

His approach combines real experience in professional kitchens with business management methodologies. He is not just a chef who gives advice: he is a consultant who has been behind the bar, on the line, and in front of the books.

For the past 3 years, he has also been a pioneer in Data Chef and artificial intelligence applied to restaurant management and culinary creativity, integrating advanced technology into every project.

From Madrid, he leads ChefBusiness and an ecosystem of digital tools designed to professionalize the hospitality industry.

-- Chef John Guerrero

Experience

Career and Experience

29 years in professional hospitality and fine dining (since age 18)
16+ years as a professional restaurant consultant (since 2010)
120+ projects advised in Spain, Latin America, and Asia
Specialization in profitability, food cost, and restaurant KPIs
Experience in openings, relaunches, and operational restructuring
Consulting for independent restaurants, groups, and hotel F&B
3 years in Data Chef and artificial intelligence applied to restaurant management and culinary creativity
Training in business management, finance, and digital marketing for hospitality
Based in Madrid · In-person and online across Spain

Global reach

Based in Madrid, Clients on 4 Continents

Our in-person focus is Madrid, but our expertise knows no borders. Through online consulting, mentoring for owners and chefs, and end-to-end opening projects, we work with clients in these cities:

Spain

Madrid · Barcelona · Tenerife · Gran Canaria · Lanzarote

Europe

Lisbon

Latin America

Mexico City · Monterrey · Bogota · Santiago de Chile

USA & Middle East

Miami · Jacksonville · Abu Dhabi

Philosophy

Our Philosophy

At ChefBusiness, we believe a great restaurant cannot survive on great food alone. The difference between a restaurant that survives and one that thrives lies in management: clear numbers, defined processes, an aligned team, and a real commercial strategy.

Our methodology is data-driven, not opinion-based. Every diagnosis, every action plan, and every intervention is built on real business metrics. We measure before, during, and after.

We don't sell magic formulas. We work side by side with owners and teams to implement sustainable changes that are reflected directly in the bottom line.

Ecosystem

The ChefBusiness Team

ChefBusiness is not just consulting. It is an ecosystem of tools and services designed to professionalize the hospitality industry:

AI Chef Pro (aichef.pro) — Artificial intelligence specialized in hospitality
GastroLocal (gastrolocal.pro) — Google Business Profile management and Google Map Ads for restaurants and hospitality businesses
GastroSEO (gastroseo.com) — Local and national SEO, web development, and digital presence for restaurants and hospitality businesses
Hosply (hosply.pro) — AI-powered supplier directory for the hospitality industry
Timlup (timlup.pro) — Daily recurring task management app for hospitality and retail