Online Course

online
A real experience to take your first steps in the world of the oil supply cha...

Official Technical Course

23 Mar / 
27 Mar
Imperia
Have a good nose and be a foodie are not sufficient features to become a prof...

Table Olives Course

16 Feb / 
18 Feb
Andria
The ONAOO "Table Olives" course provides a comprehensive introduction to this...
Osman Tezeren
( Turchia )

PROFILO:

Osman, who is passionate about olives and olive oil, grew up in Izmir, one of the major olive producing regions of Turkey.

He has extensive experience in blending and sensory evaluation in the tobacco business since 1996 and is currently a master blender and panel leader in a leading global tobacco company. In 2019, he decided to expand his sensory knowledge in olive oil with ONAOO’s technical course.

After two years of training, he obtained the qualification of Professional Taster of ONAOO in 2023. He provides consultancy to farmers and olive oil producers in Turkey and product experience in Switzerland.

Nazione:

Turchia

Città:

Bergama, Turchia

Webpage:

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Sfoglia il profilo di questi altri Iscritti al Registro Internazionale oppure torna all'elenco completo.

Aldo Mazzini

Aldo holds a Bachelor of Science in Business Administration from the University of Genoa and a Master of Science in Communication and Neuro-Linguistic Programming (NLP) with certification from Dr. Richard Bandler’s NLP Society.

He has been professionally engaged in the fields of oil and quality for two decades.

In 2023 and 2024, he was included in the official list of the 110 Panel Leaders recognized by the International Olive Council (C.O.I.). Additionally, he has served as a MASAF Panel Leader in Italy since 2023, directing the Federolio 4 Panel.

He has professional experience in the industry as a master blender and quality control specialist, having worked with leading companies in Italy and abroad, including DEOLEO/CARAPELLI, SUGAT Industries LTD group, and others.

He has been a professional taster for the ONAOO since 2000, when he was included in the Panel of the CCIAA of Imperia for the certification of PDO oils. He was awarded the prestigious first prize in the National Competition organized by ONAOO, “The Taster of the Year,” and he was subsequently awarded the absolute title again in 2021.

Since 2016, he has been the driving force behind the Monte Carlo Masters of Olive Oil International Competition (MOOOIC). He has also served as a judge and panel head in numerous national and international competitions in Italy, Turkey, Israel, Tunisia, Morocco, Algeria, and South Africa.

Over the years, he has participated as a guest lecturer and lecturer in public, corporate, and university conferences in different countries, including Italy, Israel, South Africa, Turkey, Tunisia, Saudi Arabia, and others. In 2023, he published his first popular book, entitled “EVOO 99+1 Questions to Really Know Olive Oil.”

He provides business consulting and training services, organizing courses for individuals and companies in Italy and abroad in Italian and English.

Marco Gandolfi

Marco Gandolfi has been a member of the organization since 1991.

He is particularly interested in oil tasting and has been involved in this area since 1992, when he became a Professional Tasting Member. He has been a member of the ONAOO Official Panel since 2004 and has obtained the qualification of Panel Leader.

By participating annually in refresher courses organized by ONAOO, he has had the opportunity to deepen his knowledge and satisfy his curiosity about the vast world of olive oil. Over the years, he has participated as a judge in important national and international competitions.

Patrick O’Brien

Patrick J. O’Brien is Travel Director for Table Six Travel, a US company launched in 2019 to organize small group gastronomic tours originally focused on regions producing olives, extra virgin olive oils, cheeses, cured meats and balsamic vinegars and related culinary specialties across Italy supporting his wife’s US company, FIORE Olive Oils. In 2025, with the sale of FIORE after 15 years to a longtime staffer, Patrick continues as a Marketing Consultant and Import Coordinator for FIORE while expanding the scope of travel with Table Six to Greece, Ireland and beyond.

Patrick received certification as a Professional Taster of ONAOO in March 2019. Having earned Irish citizenship in 2022, Patrick and his wife reside permanently in The Republic of Ireland. In June 2025 Table Six Travel received registration in Ireland, Table Six Travel, LTD,

Tomaso Macchi

Tomaso, after extensive experience in various companies as a Manager and Executive, and now as a consultant, driven by curiosity and a strong passion for this wonderful product, olive oil, decided to undertake a training program aimed at deepening his knowledge and refining his tasting technique. To do this, he turned to the world’s leading and most prestigious school of sensory analysis, the ONAOO. He initially enrolled in the Official Technical Course and obtained the Certificate of Physiological Suitability for Tasting in May 2018.

Osman, who is passionate about olives and olive oil, grew up in Izmir, one of the major olive producing regions of Turkey.

He has extensive experience in blending and sensory evaluation in the tobacco business since 1996 and is currently a master blender and panel leader in a leading global tobacco company. In 2019, he decided to expand his sensory knowledge in olive oil with ONAOO’s technical course.

After two years of training, he obtained the qualification of Professional Taster of ONAOO in 2023. He provides consultancy to farmers and olive oil producers in Turkey and product experience in Switzerland.

International Register

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Registration in the register is an authentic value, not only added, but fundamental, for the definition of an effective and convincing business profile

This membership opens the door to all the possibilities that the world of oil offers to the tasting professional.

Official Technical Course

The first step into the world of Tasting

Training as professional olive oil tasters is not only a personal pleasure: the universe that revolves around olive oil and its supply chain also offers a wide range of job, growth and specialization opportunities.

The course is open to everyone, even to those without any experience in the oil sector.

Participants who pass the four selective tests receive a Certificate of Physiological Suitability for Tasting.

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Advanced Course

an in-depth knowledge of sensory analysis

The advanced course allows you to consolidate and deepen your knowledge of oil tasting and obtain the qualification of ONAOO Professional Taster, but above all, to be included in the "International Register of Professional Tasters".

The ONAOO advanced course, aimed at inclusion in the International Register of Professional Tasters

Qualified national and international organizations and companies in the sector draw from the Register to find experts in the sector to include in their entrepreneurial realities

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Table Olives Course

Sensory and Technical Experience Table Olives

Participants learn about varieties, processing, and sensory tasting, with practical exercises under the guidance of experts.

Sensory and Technical Experience Table Olives

Participants learn about varieties, processing, and sensory tasting, with practical exercises under the guidance of experts.

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Online Courses

ONLINE INDIVIDUAL PREPARATORY COURSE FOR OLIVE OIL TASTING.

To learn how to taste an olive oil directly from your home.

An individual lesson with a tasting professional

A real experience to take the first steps in the world of the oil supply chain and oil tasters.

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Certified Tasting Days

ASPIRING OLIVE OIL TASTER

Participants are invited to recognize strengths, weaknesses, qualities and organoleptic characteristics of the various oils

Attestation issued by a Panel Head

A practical test in which everything learned during the technical course is applied in practice.

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Corso Tecnico Ufficiale

Il primo passo nel mondo dell'Assaggio

Un vero esperto dell”oro liquido” si distingue da un semplice amatore in virtù della sua formazione.

Corso Avanzato

un approfondimento del sapere sull’analisi sensoriale

Consente di consolidare e approfondire le conoscenze sull’assaggio degli oli e l'inserimento nel “Registro Internazionale Assaggiatori Professionisti”.

Corsi Online

CORSO ONLINE INDIVIDUALE PROPEDEUTICO ALL’ASSAGGIO DELL'OLIO DI OLIVA.

Per imparare ad assaggiare un olio di oliva direttamente da casa tua.

Sedute di Assaggio Certificate

Attestazione rilasciata da un Capo Panel

Sedute di assaggio certificate, tenute nei modi e nei tempi previsti dalla normativa vigente.

Corso Olive da Tavola

Esperienza Sensoriale e Tecnica Olive da Tavola

Sedute di assaggio certificate, tenute nei modi e nei tempi previsti dalla normativa vigente.