You will understand in detail the entire Extra Virgin Olive Oil elaboration process and will obtain the keys to obtain a premium and outstanding oil.
Master Miller Course
LEARN HOW TO PRODUCE PREMIUM EXTRA VIRGIN OLIVE OIL
Training accredited under ISO 9001 standard
Now available Online & Onsite
ONLINE
Duration: 1 month
Launch Offer ends 31 August
Price: €1.300 | Save €510 (39%)
€790 + VAT*
ONSITE
Duration: 2 days
Price: 1.300€ + VAT*
Master Miller Course
Language: English
Enrolment open with a discount until 31 August 2026.
(*) International companies and EU companies (intra-community operators) are exempted from VAT.
Next editions
ONLINE
Open enrolment — start on the date you choose, as soon as your registration is completed.
ONSITE
Master Miller Course is for you, if you are

Anyone with an interest in olive oil production
No prior experience required. Beginners and newcomers will get a solid, practical foundation from day one.

Production managers and mill operators
looking to strengthen their technical knowledge, improve mill performance and understand the full process beyond their specific role.

Professionals from related sectors
commercialisation, cooperatives, quality control and agronomy, who want to understand production or are expanding into it.

Olive growers, mill owners and cooperative managers
who want to know what happens to their olives after harvest and increase the quality of their oils.
Why should you take the Master Miller Course?
What will you know
at the end of the Course?
Theoretical and
Practical Sessions
Joining the experience of the master millers, together with the tastings and visits, students will acquire practical tools that will be able to apply in their respective jobs improving their results.
Expert speakers
with long experience
You will learn from the experience of great Master Millers with award-winning EVOOs and with a wide professional career. You will be able to address all your questions and concerns to obtain best quality olive oils.
Learn from
mistakes
Learn about the most frequent and not-so frequent mistakes in the elaboration process that would lead to lower quality or worse economic results.
Olive Oil
Tasting
Learn about the importance of olive oil tasting and practice with these experienced master millers.
And much more…
Keys to obtain quality all along the elaboration process, including the olive harvest; varietal characteristics; climatology; storage process; cleaning of machinery, etc.

-
Learn from the experience of great Master Millers with award-winning EVOOs and extensive professional careers in the field.
-
Address all your questions and concerns to obtain best quality olive oils.
-
Study in detail the entire EVOO (Extra Virgin Olive Oil) elaboration process, from the field to the bottle.
- Learn about the key steps to obtaining a premium and outstanding oil.
-
Learn about the importance of olive oil tasting and practice with these experienced master millers.
-
Networking: get in contact with other professionals from the sector at international
level.

METHODOLOGY
Master Miller Course
ONLINE
The course is delivered entirely through the ESAO Online Campus, designed to be completed in one month at your own pace.
Each chapter combines theory, video and practical exercises so you can check your progress as you go. You will have a tutor available throughout the course and an individual session with an expert, where you can address the specific issues of your own mill or project.
The course is completed with a final exam, downloadable resources and access to the ESAO Virtual Library.
ONSITE
The course is developed through face-to-face teaching sessions developed in selected olive oil mills. In addition, some training visits will be made.
Each day an expert speaker (Master Miller) will present theoretical content, followed by an olive oil tasting session. Next, we will give a specific space for a round table, where you will be able to make questions and create debate.
The morning session will continue with a visit to an olive oil mill accredited by the Olive Oil School of Spain and end with a group meal.
After the group meal, we will make a guided tour to selected sites related to the Master Miller theme. With these trips we intend to enrich and integrate the theoretical training that is done
during the course.
Joining the experience of the master millers, together with the tastings and visits, students will acquire practical tools that they will later be able to apply in the workplace improving their results.
CONTENT
Master Miller Course
ONLINE METHODOLOGY. STRUCTURE.
SPECIFIC TOPICS
MODULE 1
00. Importance of Tasting
01. Oleosomes and Coalescence
MODULE 2
01. Maintain a Healthy Olive Tree
02. Optimal Collection Moment
03. Reception and Yard
04. Grinding
05. Blend
06. Decanter. Horizontal Centrifugation
07. Vertical Centrifuge
08. Filtering
09. Storage and Conservation
10. Composting and Recovery of By-products
Final Exam
📂 Resources
🎯 Individual Session
📚 Virtual Library
ONSITE METHODOLOGY. STRUCTURE.
SPECIFIC TOPICS
- Olive Grove:
- Determination of optimal collection date.
- Harvesting systems: pros and cons
- Organic vs. Conventional basic Olive Grove
- Management strategies
- Best practices at the backyard: Importance of Olive Separation. Cleaning.
- Miller: Diameter of the sieves, Use of water, Maintenance.
- Mixer: malaxing time, temperature. Use of talcum.
- Decanter: Use of water, Temperature, Cleaning, diaphragm regulation, use of water.
- Vertical Centrifuge: Importance of the vertical centrifuge, temperature.
- Oil decantation/ filtration.
- Storage.
- Importance of olive oil tasting.
- Efficiency within the elaboration process.
- Difficulties and strategies within the elaboration process.
- Cleaning of machinery.
- Waste management/ recovery.
MATERIAL
Master Miller Course
ONLINE
- Access to the ESAO Online Campus.
- Video lessons, theory and practical exercises for each chapter.
- Online tutor throughout the course.
- Individual session with an expert.
- Downloadable resources.
- Access to the ESAO Virtual Library.
- Diploma granted by ESAO, the Olive Oil School of Spain.
ONSITE
- Theoretical sessions by expert Master Millers.
- Complete Master Miller Book.
- Midday meals will be included in the registration fee.
- Professional visits.
- Virgin Olive Oil Tastings.
- Corporate bag to keep your notes during the course.
- Vest or work cap, according to time of year and availability.
- Diploma granted by ESAO, the Olive Oil School of Spain.

ESAO Teaching Team
Strengthening our Teaching Team is an ongoing activity that leads us to continuously incorporate new experts whose dedication to the students, passion for teaching and personal qualities stand out.
Currently we have more than 10 professors dedicated to this Program.

Alumni Network
Once you finish this Course, you will become part of the ESAO Community, with Alumni in over 20 countries. As an ESAO student you will gain lifelong access to ESAO’s network and the opportunities that come with it.
«The world is constantly evolving. A good master miller has to be able to adapt himself to this evolution. He or she has to be aware of the changes that are demanded not only by the market, but also by the existing customers as well as the new technologies that appear every day.
That’s impossible without training.»
Juan Barral. Master Miller. ESAO teacher.
What do our students say?

The online Olive Oil Mill Master course has been a positive and very rewarding experience.
Manuel Trillo,
ESAO Alumni.

A very good training experience, with great trainers.
Adolfo García,
ESAO Alumni.

Training is essential in my work.
Juan del Pozo Prieto,
ESAO Alumni.

ESAO's online olive oil mill master course has been perfect. I have learned a lot and they have answered many of my questions.
Daniel Rubio,
ESAO Alumni.
FAQ - Frequently Asked Questions
Can I take the Master Miller Course online?
Yes. The course is available in two methodologies: online, designed to be completed in one month at your own pace, and onsite, a 2-day programme held in selected olive oil mills in Spain. Both lead to the same ESAO diploma.
Do I need to connect at specific times for the online course?
No. The online course is self-paced. The only scheduled element is your individual session with an expert, which you arrange at a time that suits you.
Do I need prior experience to enrol?
No. The course is open to anyone with an interest in olive oil production.
After finishing the course, can I continue my training at ESAO?
Yes. Continuous training is a fundamental pillar for success. You can continue your training through:
- Registering in our other ESAO training programmes.
- Access to our ESAO Executive MBA - Olive Oil Business & Consultancy. This is the highest degree that can be obtained within the School
Do I need to speak English to apply to the Course?
Yes. English is a requirement for admission.
At the Olive Oil School of Spain, English is the working language used in the classroom. In case you do not speak English, please contact us to evaluate a different training alternative
Can you help me with getting my visa to attend the course?
This applies to the onsite methodology only.
Yes. Our students are international and some of them need a visa to attend our courses.
Olive Oil School of Spain will provide as much support as possible to assist you. Applying for and obtaining the visa on time to begin the courses is your responsibility.
We recommend that you contact the Consulate as soon as possible upon admission and keep us informed of any difficulties you encounter.
