Demetris is a full member of O.N.A.O.O. having successfully completed the Technical Course in 2022, and qualifying as an O.N.A.O.O. Professional Taster in April 2025.
Demetris is currently a European Commission Mission Soil ambassador. Alongside farming, he also leads and consults multiple regenerative agriculture ventures and is also a partner to various agroecological research projects.
My name is Edoardo Rinaldi, and I represent the fourth generation of the Rinaldi family, which has been dedicated to producing high-quality extra virgin olive oil for over 90 years. The company, founded with dedication and passion, has built a solid reputation in the industry over the years through its brands Rinaldi, Raineri, and Meriggio.
Nina is a dedicated olive oil nerd with a passion and mission to spread the knowledge about and access to high-quality EVOO in Denmark. She has been an ONAOO Professional Taster since 2022. Nina owns “Oliviers & Co.” in Denmark with her partner.
The business was established in 2019 after Nina had been working in the Copenhagen boutique shop on and off since 2006, next to her university studies. Nina disseminates knowledge about EVOO at the two “Oliviers & Co.” boutique shops in Copenhagen. Customers are guided and can sample the extensive range of olive oils from reputable producers with full traceability, along with other Mediterranean delicacies.
The shops are located in Frederiksberg and in the food market “TorvehallerneKBH”. She also teaches about olive oil at monthly olive oil tastings in the boutique and at events. Additionally, she oversees the online operations of the “Oliviers & Co.” web shop – oliviersogco.dk – and its associated social media channels, where she engages with consumers about olive oil. Nina holds a degree in Public Health and Food Policy from a university.
Roberto Rastrelli is a Professional Taster of ONAOO since 1989.
He was born in Genoa in 1966. In 1992, he founded the company “Lorenzo Costa fu Eugenio 1860”, of which he still is the administrator. The company deals with door-to-door sales of extra-virgin olive oil and other food products. In 1996, he was granted the certificate of Professional ONAOO taster.
Demetris Taliotis is the Chief Olive Oil Obsessive at Aparthenasa, an award-winning agrocraft estate focusing on the production of terroir-driven extra virgin olive oil from Cyprus. He is a graduate of the prestigious Expert Course in Virgin Olive Oil Tasting of the University of Jaén and a jury member to numerous international olive oil competitions. His varied involvement with olive oil spans a multifarious career in agri-food and FMCG marketing, location and countryside management, and expansive research interests at the cross-sections of transversal agriculture, disruptive innovation, organoleptic variability and the cultural and creative industries.
Demetris firmly believes in the de-commodification of micro-produced olive oil, through the exploration and promotion of the variety and variability of its organoleptic profiles, in a way that enhances the sensorial pleasures consumers can relish from Extra Virgin Olive Oil.
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 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".
Participants learn about varieties, processing, and sensory tasting, with practical exercises under the guidance of experts.
Participants are invited to recognize strengths, weaknesses, qualities and organoleptic characteristics of the various oils