In 2019, Diana and her husband initiated the establishment of a modest olive grove in the Marche region of Italy.

As a result of the substantial increase in production, they made the decision to sell their business in the Netherlands. Currently, the company’s exclusive focus is on the production of extra virgin olive oil in Italy under the Di Lorenzetto brand, which is renowned for its superior quality.

To further refine the quality of their oil and gain a deeper understanding of the varieties, flavors, health properties, and defects of olive oil, Diana decided to embark on a training course. She began with a tasting course in Madrid, followed by a technical course and an advanced one at O.N.A.O.O., concluding her studies in november 2024 with the qualification of Professional Taster. In 2024, she also obtained her olive oil sommelier certification at the International Culinary Institute in New York.

Since 2019, Diana has been a member of the Olive Oil Institute panel from the Netherlands. She also regularly conducts workshops and masterclasses for schools, chefs, amateur cooks, and olive oil enthusiasts in the Netherlands and Italy.

Giovanni was born and raised in Caserta. His roots and love for his land led Giovanni to open a modern business at the foot of the Trebulani Mountains in Pontelatone (Caserta). Through path of recovery, protection, and enhancement of the most significant and ancient olive specimens, he encourages the development of marginal areas, fulfilling a remarkable biodiversity defense function.

In 2018, he enrolled in the Official Technical Course of the ONAOO School, passing the selective tests and obtaining the Certificate of Physiological Suitability. In 2019, he decided to pursue a more in-depth training path, enrolling in the Advanced Course. He passed the final exams in 2021 and obtained the ONAOO Professional Taster qualification.

He also participated in various activities organized by the School, including the ONAOO Meeting in 2020 and online tasting sessions.

Roberto Rastrelli is a Professional Taster of ONAOO since 1989.

Veronica started her career in Estonia as a Marketing Manager for one of the World’s biggest cosmetics companies.

After having her first baby in 2016, she replaced her high heels with Hunter boots and purchased a small farm in Italy to become an olive grower. Now she imports her family’s extra virgin olive oil to Estonia: CASA FONTESTATE. Every bottled harvest has a new label design from one of Estonia’s famous artists, which makes it a unique and memorable shopping experience every year.

She is a Professional Taster certified by ONAOO; in London she completed a Program to become an Olive Oil Sommelier.