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Meet Our Leadership Team

Dr. Eric H.
Habegger

Director
Dr. Eric H.
Habegger

Director

With over 40 years in education and 21 years at CNG, Dr. Habegger has worn many hats at our school: student, parent, teacher, principal, and now director! He is a multi-continent international school expert.

Liliana Borrero
Director of Learning Programs
Liliana Borrero
Director of Learning Programs

Lili has been at CNG for 23 years and brings significant education and experience to her role. She was a child psychologist in Spain and traveled the world as a global consultant. Both her children are CNG grads.

Paula Perez
Primary School Principal
Paula Perez
Primary School Principal

Paula brings two master's degrees to her position and a deep connection to the school. She is a graduate of CNG, has worked here for 21 years, and has two children currently enrolled.

Ron Sisson
Elementary School Principal
Ron Sisson
Elementary School Principal

Ron has been an elementary school leader in the US, Uruguay, and now Colombia and has a master’s in educational leadership. An avid outdoorsman, he has enjoyed nature on six of seven continents!

Billy Thomas
Middle School Principal
Billy Thomas
Middle School Principal

Billy has been at CNG for four years and is the father of two CNG students. He has also worked at international schools in China and Malaysia - as well as at schools in his home state of Texas.

Mary West
High School Principal
Mary West
High School Principal

Mary was an NYC teacher before moving to Venezuela to work in international education. She has since served in leadership roles in two Colombian schools. Her husband is a CNG teacher, and her daughter is a student.

Juliana Borrero
Primary School Associate Principal
Juliana Borrero
Primary School Associate Principal

Juliana has worked at CNG for more than two decades. She has one daughter at CNG and another who graduated in 2023. Most people don’t know that in addition to her vast educational background, she is also a dentist!

Vanessa Gilchrist
Primary School Associate Principal
Vanessa Gilchrist
Primary School Associate Principal

Vanessa has been with CNG for 16 years and has a son currently enrolled at the school and another who graduated in 2023. Originally from Colombia, she has also lived in multiple US states, as well as in Mexico.

Karla Sanchez
Elementary School Associate Principal
Karla Sanchez
Elementary School Associate Principal

Karla has nearly three decades with CNG, and her daughter graduated in 2017. She’s American by birth but found her “home” in Colombia many years ago. In addition to CNG, she also worked in the Chicago suburbs.

Emily Bevington
Middle School Associate Principal
Emily Bevington
Middle School Associate Principal

In addition to working in Colombia, Emily has taught in the US and Thailand. She has been with CNG for seven years, working both as a faculty member and now as an administrator, and has a master's in education.

Laura Rafael
High School Associate Principal
Laura Rafael
High School Associate Principal

Laura came to our school from Myanmar, where she was a teacher and an administrator. She grew up in Spain, has also worked in England and Scotland, and has two children - one of whom is at CNG.

Rosa Navarro
High School Associate Principal
Rosa Navarro
High School Associate Principal

Rosa has been at CNG for two years and comes to us with significant international experience. She was raised in Mexico and on the US West Coast and has also lived and worked in Spain, South Africa, and Cuba.

Astrid Amador
Director of Colombian Program
Astrid Amador
Director of Colombian Program

Astrid has been at CNG for a decade and has a son who graduated from the school. She was born and raised in Colombia and brings significant education and experience to her leadership role.

Monica Arrubla
Associate Director of Colombian Program
Monica Arrubla
Associate Director of Colombian Program

This is Monica’s third year at CNG, and she is a Colombia native. She has a deep passion for community building and storytelling, which she brings to her position and uses to support student learning.

Catalina Artunduaga
Director of Exceptional Learner Programs
Catalina Artunduaga
Director of Exceptional Learner Programs

Catalina has been at CNG since 2005 and has two children studying at the school. Prior to coming to CNG, she worked in New York and Paris and has many years of special education experience.

Maria Paula Camargo
Associate Director of Exceptional Learner Programs
Maria Paula Camargo
Associate Director of Exceptional Learner Programs

Maria Paula has called CNG home for 20 years. In addition to graduating from the school, she has two children here on campus. She is not a stranger to international schools - she attended four as a child!

Andres Silva
Director of Athletics
Andres Silva
Director of Athletics

Andres has worked at CNG for 15 years and has a son in Kindergarten. He is a strong proponent of inclusive education and is the first in Colombia to be recognized by NIAAA as an International Athletic Administrator.

Marcela Chiaradia
Coordinator of Service and Character Development
Marcela Chiaradia
Coordinator of Service and Character Development

Marcela is an Argentine who calls Colombia home. Mother to three girls, two who are CNG grads and another in middle school, she is a globetrotter who has lived in six countries and attended nine schools abroad!

Diana Colmenares
Director of Development and Community Relations
Diana Colmenares
Director of Development and Community Relations

Diana is a CNG alum who has worked here for a decade - in total, she has been part of the CNG family for nearly 25 years! Both her sons attend the school, and she has extensive marketing and fundraising experience.

Laura De Brigard
Director of Admissions
Laura De Brigard
Director of Admissions

Laura understands what it’s like to be new to a community - she has moved 13 times in her life! That said, she’s not new to CNG, having worked here for nearly 15 years. She’s the parent of a CNG student and an alum.

Monique Duchamp
Director of Finance & General Services
Monique Duchamp
Director of Finance & General Services

Monique brings a bachelor's and a master's in finance to her important role. She is a Colombian who has worked at CNG for more than a decade. Her team led the project to build our gorgeous new Cafetorium!

Maria Isabela Gomez
Director of Publications & Media Services
Maria Isabela Gomez
Director of Publications & Media Services

Mari has been at CNG for over 30 years - as a student, parent, and employee. She studied business and has lived in the US and Spain. Her work with the our school's brand is inspired by her personal CNG Journey.

Dara Hessee
Communications Strategy Coordinator & Project Manager
Dara Hessee
Communications Strategy Coordinator & Project Manager

Dara has been here for two years and loves being on campus with her middle school daughter. In addition to Colombia, she has lived in Spain and Poland and has over 20 years of non-profit experience.

Luis Bernardo Olarte
Director of Technology and Information Systems
Luis Bernardo Olarte
Director of Technology and Information Systems

Luis has worked at CNG for five years and has three children at the school - including twins! His computer science credentials are impressive, and he is also a part-time professor at Universidad de los Andes.

Olga Polyakov
Program Evaluation and Assessment Administrator
Olga Polyakov
Program Evaluation and Assessment Administrator

Olga was raised in the US but has called Colombia and CNG home for over ten years. She has also worked as a teacher and a scientist, bringing important experience and expertise to her current data-focused position.

Ana Maria Rodriguez
Director of Human Resources
Ana Maria Rodriguez
Director of Human Resources

Ana Maria has been with CNG for four years and has a middle and a high schooler here on campus. She has more than 22 years of HR experience working in multiple sectors and has also lived and studied in Canada.

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