Feyza Tevruz was born in Istanbul. She studied pharmacy and worked for international pharmaceutical companies for over 30 years. She had her first olive grove in Ayvalık in 1999. Since retiring from the pharmaceutical industry in 2020, she has been working full-time as an olive oil producer. During this time, she graduated from Balıkesir University’s Edremit Olive Cultivation Vocational School. She believes that her backgroud on pharmaceutical sciences, biochemistry, botany, and production fields provide her with a broad perspective on olive oil production.She currently has 600 trees and continues to cultivate olives and produce olive oil using good agricultural practices.She lives both in Ayvalık and Istanbul.
She currently gives lectures at seminars and workshops to raise awareness of high-quality olive oil and to distinguish different olfactory notes and tastes.
Domenico was born in Messina in 1986 and graduated in biological sciences with a degree in nutrition.
He currently works as the chemical laboratory manager for oil quality control at ‘Manfredi Barbera e Figli SPA,’ one of the most well-known oil mills in Sicily. In 2021, he obtained his physiological suitability for tasting and in 2024 he obtained the title of professional taster O.N.A.O.O.
Agricultural entrepreneur and naval engineer.
I joined the ONAOO family in March 2023, when I attended the official technical course, and then continued with the advanced course, which concluded in November 2025.
In the future, I would like to strengthen my connection with the ONAOO family in order to share and promote the culture and tradition of extra virgin olive oil around the world.
Murat Faik Ünver, of Swiss and Turkish descent, was born and raised in Geneva, Switzerland. From a young age, he developed a deep interest in culinary arts and cooking. To pursue this passion, he studied Applied Sciences in Hospitality Management and Business Administration at Glion Hospitality School in Montreux.
After completing his university studies, he worked in the hospitality industry for a time, but he soon realized his true calling was to produce something from the land and engage in agriculture. To fulfill his aspirations, Murat returned to his roots in Turkey, where he planted approximately 3,000 olive trees and began cultivating his family’s land. Additionally, he acquired an abandoned olive oil factory, marking the beginning of his brand, Olivya Gökçeovacık. Since 2019, Murat and his team have been producing their own high-quality olive oil, supplying it locally to those who seek premium olive oil.
Over the years, they have garnered multiple awards, creating many moments of pride. Driven by his passion for creating and producing, Murat’s pursuit of becoming a certified olive oil sommelier will further enhance his expertise and enable him to continue excelling in his field.
I have work with and sold EVOO to customers since 2018. The world of olive oil is growing in interest for the consumer, in which I care to help with.To keep learning and be updated in this field to share knowledge to the end consumers. For them to understand the importance of EVOO. Specially when it comes to the health aspect.
Olive oil producer
She began her ONAOO courses in March 2023. She completed technical, advanced, and tasting courses, earning the title of ‘Assaggiatore Professionista ONAOO’ in November 2025. Throughout this process, she was able to learn about different cultivars, which are not easy to access, experience the oil tasting procedure, and witness its contribution to high-quality olive oil production and healthy olive oil consumption. She believes that continuing the activities and tasting sessions at ONAOO will have a priceless contribution to her work as an olive oil producer.
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