Antonella has been an ONAOO professional taster since 2017.

After obtaining her sensory certification, she has been a member and judge of the Swiss Olive Oil Panel (SOP) at the ZHAW School of Life Sciences and Facility Management since 2002.

Since 2002 she has been a judge for the “ZHAW International Olive Oil Award” and other international competitions. She is the owner and managing director of “Mitera GmbH”: a producer of Cretan millennial quality olive oil, approved by DNA in both Crete and Umbria. She is also a nutritionist.

Guy started his educational path with the technical course at ONAOO in 2021 and ended in 2024 by earning the qualification of professional taster. During this period, he further expanded his skillset by attending courses at other institutes in Italy and at the New York Olive Oil Times, obtaining certification as an olive oil sommelier.

He is the owner of “Frantoiani”, a company specialising in the selection and importation of high-quality extra virgin olive oil from various regions in Italy. The company’s product range includes approximately 20 artisanal producers and 45 labels, enabling Guy to provide advice to enthusiasts and gourmets through direct sales in his store in Mechelen, Belgium, and through his e-commerce platform. The company also supplies restaurants and wine shops with fine Italian olive oils.

Additionally, Guy is an expert in the field, regularly conducting masterclasses on extra virgin olive oil and food pairing for both private and commercial audiences, as well as culinary schools. His passion for olive oil drives him to share his knowledge and introduce people to this fascinating and flavourful world. In addition to his oil business, Guy owns a winery under the brand name “Suedtiroler” and serves as a forensic accountant.

Leonidas Komvokis is a resident and business owner in Drama, East Macedonia and Thrace.

He is an agricultural and olive entrepreneur. He is an olive pruner and has participated in several professional olive pruning courses organized by the A.S.S.A.M. School (Marche). In 2016, Leonidas became a member of ONAOO, where he began his training. In January 2020, he completed his studies by obtaining the Professional Taster Qualification.

Leonidas believes that a deep understanding of the elements of olive oil quality is an effective way forward in the field of olive growing and entrepreneurship. He provides olive oil quality consulting services as well as olive tree pruning and management services on a contract basis. In recent years, the company has focused on developing a project with the planting of 20 hectares of organic olive trees and varieties exclusively indigenous to the area.

The goal is to highlight these varieties and create monovarietal oils of unique quality, showcasing the quality characteristics of the area and the POLYCONIC VASE-shaped management model that can guarantee the highest quality of olive oil. Quality is a core value that guides our commitment to the environment, consumers, and the reputation of our organization, which is represented by the ONAOO.

Margherita Chiaraviglio is from Piedmont. She owns a company called “Frantoio Fresia S.r.l.” with her son, Andrea Fresia.

It is located in Chiusavecchia, in the hinterland of Imperia. She started making olive oil after her marriage.

After her husband died, she kept making olive oil and her passion for it. Margherita took a technical course and then an advanced course from the ONAOO School.

She passed the final exam and got the qualification of Professional Taster of ONAOO in 2023.