Meet our amazing faculty!

An outstanding international faculty, including professionals from 11 different countries including Costa Rica, Spain, England, France, Mexico, Canada, Chile, Colombia, USA, and Venezuela. All faculty are certified in Montessori or IB, and have an average of 7 years of teaching experience. Five of our faculty possess either PhD or double masters degrees, 60% of possess a master’s degree, and 90% of our faculty are bilingual. The faculty to student ratio is 1:8, and the average classroom size is 20. The faculty are supported by two senior administrators (Head of School and Associate Head of School), two Curriculum Coordinators (Montessori and IB), a School Counselor, a Business Manager, and office and maintenance staff of four. 

To learn more about our amazing faculty, visit our Lower School Montessori Team (1.8 – 6 years old), and our Upper School & IB Team (7-18 years old)

Lower Primary Montessori Team

Our Care of the child should be governed not by our desire to make him learn things, but by the endeavor always to keep burning in him that light which is called intelligence.

Nicole Johnston
Teacher
United States

Audrey Ruchaud
Teacher
France

Ana Mayorga
Teacher in Training
Costa Rica

Daniela  Trejos
Teacher in Training
Costa Rica

Nelsy Arrieta
Teacher Assistant
Costa Rica

Estibaliz Arias
Teacher in Training
Costa Rica

Efraín Avilés
Teacher
Costa Rica

David   Drakos
Teacher
United States

Lilou  Herbs
Teacher Assistant
Costa Rica

 Matilde Jiron
Teacher
Costa Rica

Michelle Castro
Teacher
Costa Rica

Francela Arrieta
Teacher Assistant
Costa Rica

 Aileen  Knipe
Teacher
South Africa

Miriam Magre Loren
Teacher 
Spain

Inspired by our team?

If after meeting our talented and committed team of educators you feel inspired to join our school, please visit our Teach section to learn about current opportunities and the application process.

About our Team

At DMA, the Upper School faculty is charged with teaching students in grades 4 through 12, including the IB Diploma Program. To provide opportunities for vertical and horizontal curricular integration and alignment, our team is organized by learning cycles (4th-6th grade, 7th-9th grade, and 10th-12th grade) and instructional divisions: CAPE (Creative Arts and Physical Education Program), Humanities (Language Arts, Language Acquisition, and Social Studies), and STEM (Science, Technology, Engineering and Math).

CAPE Team

Creative Arts and Physical Education

Keren   Espinoza
Physical Education
Costa Rica

Sugely Barrantes
Cultural Coordinator
Costa Rica

Laura  Rojas
Visual Arts
Costa Rica

Kiara López
Performance Arts
Mexico

Upper Primary

Annabeth Jensen
English
United States

Lina Marín
Spanish
Colombia

Priscilla Garza
English
United States

Cristina  Rubio
Spanish
Spain

Brian Deutsch  

English
United States

Erica Ramos
Math
United States

Pamela   Vega
Spanish
Costa Rica

Secondary School

Karen Krieger
Science
United States

Rafael   Arguedas
Social Studies
Costa Rica

Julio López
Spanish Acquisition
Costa Rica

Jan Krieger
English Humanities
United States

Carlos García
Spanish
Spain

Chad Williams
Math
United States

Ximena   De  León 
Learning Support
Costa Rica

Monica Marín
Secondary Principal /IB Coodinator

Chile

Cristian Ardila

Arts 
Colombia

Melissa Gamboa
Spanish
Costa Rica

Michelle Norman
Math
Canada

Carla Uribe
Biology
Spain

Emily Dittmann
English
United States