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.

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.

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.

Valentina, born in Verona in 1989, has been studying with ONAOO since 2020. With a degree in Food Science and Technology and ten years of experience in the industry as a quality control specialist, she has developed a strong passion for extra virgin olive oil and its unique flavours and aromas.

To deepen her knowledge and refine her tasting technique, she decided to undertake a training course.

After completing the official technical course and passing the two-year advanced course exam, she earned the qualification of professional taster from ONAOO and is now registered as an international professional taster.