Coffee Knowledge Hub

Luz Stella Artajo-Medina

Q Processing and Q Arabica Instructor, Sensory education
Luz Stella Artajo Medina

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About me

Ph.D Food Science Master in Coffee Economics & Science Food Engineer Coffee Consultant & Researcher Q Grader Instructor & Q Processing Instructor Coffee Quality Lab Designer & Inspector Professional Record: Dr. Luz Stella Artajo Medina holds a Bachelor's degree in Food Engineering from Universidad de Caldas, Manizales - Colombia and a Ph.D in Food Technology from Universitat de Lleida, Lleida - Spain. She also holds a Master in Coffee Economic and Science from Università degli studi di Trieste, Trieste – Italy and a Master in International Business Management from Universidad de Barcelona. She started her professional activities in laboratories dedicated to olive oil analysis in the area of Research & Development and Quality Control. Then, she joined the coffee world in 2007 as the auditor of the Cup of Excellence in Colombia (COE), one of the most prestigious coffee competitions in the world. She has been working with the Coffee Quality Institute (CQI) for years, as a Regional Coordinator in South America, and currently as a Consultant for different projects. Dr. Artajo is a Q Instructor (Q Grader and Q Processing), and is part of the first cohort of the Q Processing Expert Level, as well as a Specialty Coffee Association (SCA) Campus Inspector. She has been training international cuppers and working in processing projects mainly in Colombia for the last five years, and in different countries such as Peru, Brazil, Bolivia, México, Nicaragua, United States, Spain, France, Italy, Greece, Belgium, Switzerland, The Netherlands, Slovakia, Myanmar, Philippines, China, Malaysia, Burundi and Ethiopia. Her expertise is being appreciated in the field of processing specialty coffees as well, working closely with farmers in origin.

Native language: Spanish Others: fluent in English; basic Italian

Teaching experience

Q Processing Courses

Level 1 & Level 2

Q Arabica Courses

QCE, Q Training & Exam, Q Calibration

Professional experience

Coffee Researcher & Consultant

@ Consultancy


Master in International Business Management

Universidad de Barcelona (Spain) January 24, 2019

Master in Coffee Economics and Science

Università degli studi di Trieste (Italy) October 12, 2016

Ph.D Food Technology

Universitat de LLeida (Spain) December 10, 2006


No certifications have been added yet.

Completed Courses

No certificates have been added yet.

Technical expertise

EK 43 S

Coffee Grinder
Operator Skilled Operator Technician


Operator Skilled Operator Technician


Other equipment
Operator Skilled Operator Technician


Other equipment
Operator Skilled Operator Technician

Coffee interests and passions


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