Meet Our Staff - Carlsbad International School

About CIS


Our teaching and support staff


Talented Teachers, Exceptional Results


I am delighted to introduce our faculty of highly qualified and experienced teaching and support staff dedicated to the education, development and welfare of all our students.


With the support of our Advisory Board and our carefully selected partners and suppliers, it is the hard work, energy and passion of our faculty which makes Carlsbad International School such a wonderful place to live and work, and such a thriving and successful community of learners achieving their potential.


Please click on the link to read about our advisory board.


Head of School


Davi Sanchez Netto is the Head of School at Carlsbad International School since August 2016. He joined CIS after his assignment as the Head of Secondary School at Oberoi International School in Mumbai, India. Also, for nine years Davi was the Upper School Principal at Escola Americana de Campinas; a school with over 700 students in Brazil. With a strong background in athletics as well as a masters in education from Framingham State University, Davi brings a dynamic and innovative leadership style to CIS. A certified International Education Leader by the PTC, Davi strives to aid students in developing 21st century skills, which will help them succeed in multiple environments and life in general.


SARA MORROW, Diploma Programme Coordinator & Registrar, English Language and Literature Teacher

Sara Morrow, a National Board Certified English teacher from the United States, brings to CIS a Master’s degree in Instruction and fifteen years of classroom experience preparing students in the skills needed to earn their IB Diplomas. In addition to her instructional expertise, she holds an additional post-graduate degree in Administrative Leadership and Policy and has served as English Department Coordinator, Assessment Coordinator, District Curriculum Developer and as Chair of the School Leadership Team among others.

Since first meeting her husband seventeen years ago while acting in a Shakespearean theatre, they have acted together, taught together, and adventured to many parts of the world together. Sara enjoys golfing, unicycling and juggling, as well as playing softball and croquet—just not all at the same time!

GIZEM INANC, English Language Teacher

Gizem Inanc, originally from Istanbul, Turkey spent most of her childhood abroad in countries like the United States, Belgium and France as an International School student herself. Her early life experiences turned her into an explorer; she has travelled to many countries in Europe, Africa, Asia and America willing to meet different people, go through different adventures, and learn about more customs and beliefs.

She is a CELTA certified teacher who holds a BA degree in Foreign Language Education and an MA degree in Media and Communicational Studies. Having worked as an administrator and an English teacher for more than 10 years in k12 schools (including boarding schools, immersion schools, IB schools and orphanages), she has developed herself as a versatile and a resourceful educator. Outside the classroom, she has lead summer camps in France and Belgium, various community and service events and organizations, film and cooking clubs.

Gizem adores photography, blogging, artisanal handicrafts and team sports; especially basketball. Her goal is to raise world citizens who continuously perceive, appreciate and contribute colors to the harmonious nature of multiculturalism and Earth itself.

AARON WRIGHT, English Language Teacher and Carlsbad Language School Coordinator

Aaron Wright is originally from Kentucky in the United States, but has spent the past eight years teaching English in South Korea, Japan, and Turkey. What was thought to be just a one-year “vacation” abroad turned into an unforeseen career overseas and he is happy to call the Czech Republic his new home!

He holds a Bachelor’s degree in English language and literature, a Master’s degree in Teaching English to Speakers of Other Languages, is TESOL certified, and is currently working towards his second Masters in International Relations at American University in Washington, D.C. His past work experiences include not only teaching English at the high school level, but also business English to adults, conversational English, and advanced grammar courses. Over the last four years he has worked as curriculum and program coordinator for 9th grade English literature, IB Extended Essay Coordinator, IB Theory of Knowledge (ToK) teacher, and Model United Nations director.

When not at work, Aaron spends his time traveling, enjoys photography, watching films, reading, and anything related to the news and global politics. He aims to not only bring an engaging atmosphere to the classroom, but create an open-minded, international environment that transcends language and classroom walls to promote multiculturalism and global citizenry.

GAURAV MONGA, German and English Language School
Gaurav Monga is a writer and teacher originally from New Delhi. He spent much of his childhood in India and in the United States. He learned German to read the works of Franz Kafka. Over the last 10 years he has taught creative writing, English and German language and literature, theater and epistemology at schools and universities across India, Nepal and Switzerland. One of the main areas of his reseach in education has been the use of creative writing as a pedagogical tool to study literature and for the purposes of self-expression. Most of his teaching methodology involves experiental learning.

Outside school, he writes fiction and has performed as an actor in various theater settings, including street theater and stand-up comedy. His debut book `Tears for Rahul Dutta` came out in 2012, and two of his new books `Ruins` and `Family Matters` are forthcoming in 2018. He is currently working on translating selected works by Robert Walser and Peter Bichsel from German to Urdu. He is happy to be at CIS, as he cherishes community spirit and believes that the bedrock of holistic education rests in an authentic and true human engagement.

PETRA MAZUROVÁ, Spanish and Czech Teacher

Petra Mazurová, a native of the Czech Republic, spent most of her childhood living abroad in t Mexico, Argentina and Uruguay. She holds a degree in Spanish Language, History and Literature from Charles University in Prague, for which her thesis was nominated for the Premio Iberoamericano Award.

Petra has taught Spanish for more than 15 years, and when not in the classroom she enjoys travelling, reading, swimming and diving.

ZAREMA MURTAZALIEVA, Teacher of Russian Language and Literature

Zarema, who is a Russian native, holds a degree in Russian Language and Literature at the Philological Faculty of the Dagestan State University. She joined Carlsbad International School with extensive experience as a university counselor on methodological issues, a psychologist and a teacher in a high school. 

She enjoys reading, сoncerts of classical music, travelling.


JOHANNA ACKERMANN, Mathematics Teacher

I was born and raised in South Africa where I received my Bachelors degree in Mathematics and Economics. I taught Math for 10 years in South Africa. After that, I lived in Kuwait for 7 years where I taught at The American Creativity Academy. It is in Kuwait where I gained some IB experience. I also lived for a short while in Morocco. I just finished teaching 2 years at the Internationella Engelska Skolan in Sweden.

I am very excited to meet the students at CIS and to get to experience a new culture. Having traveled to 25 countries, needless to say traveling is one of my passions. Apart from that, photography is my second passion.

KERI PORTER, Mathematics Teacher

Keri Porter comes to us with decades of experience around international boarding schools in Switzerland and the United States. She has earned a Bachelor of Science in Mathematics and Computer Science as well as a Master of Education in International Education concentrating on educational technologies. Besides her love for working with students Keri has devoted herself to a life of international travel and service by travelling to and volunteering in over 30 countries.

Whether volunteering at an orphanage in Kenya, teaching English in South Korea, or working as an Excursion Director for a top-rated Swiss summer school, Keri is truly at her best when sharing her passions with others.


ALISSA DONOVAN, Physics and Physical Science Teacher

Born and raised in the United States, Alissa grew up near Chicago and attended the University of Notre Dame. She holds a Bachelor’s degree in Physics and a Master’s degree in Education. Alissa comes to CIS from Chengdu, China, where she spent six years teaching AP and IB physics. Prior to this, she spent two years teaching physics and math in the U.S.

Her hobbies include running, cooking, and being outdoors, especially in the mountains. She also enjoys traveling and learning about the culinary traditions of each new place she visits.

KRISTINA MIGUEL, Environmental Systems and Societies and Life Science Teacher

Kristina Miguel began her career in education in Manila in 2002, where she taught science and math to middle school students.  She holds a bachelor’s degree in Biology, pursued a master’s degree in International Studies, and took post baccalaureate courses in Education.  In 2008, she started teaching internationally and has since taught in different countries including the US, Taiwan and Singapore.  Teaching abroad has given her the opportunity to teach various curricula and programs, and be exposed to different contexts.

Aside from teaching, she enjoys the arts, music, food and travel.  She is excited to to be part of the Carlsbad International School community and she looks forward to being on this new adventure.

TONJA WEIMER, Biology and Chemistry Teacher

Tonja Weimer comes to CIS with 15 years of teaching experience within the US and Brazil.  She has a Bachelor’s in Education specializing in Biological Sciences from Miami University of Ohio and a Master’s in Educational Leadership from the University of Cincinnati. Although her focus is life sciences, Tonja has a passion for all sciences and has taught chemistry, physics, and various levels of biology, including IB, in her career.

Tonja is strongly committed to student development and the learning experience. She hopes to share her passion for sciences with the students at CIS as well as develop and encourage them to become lifelong learners in the field.

In addition to teaching, Tonja enjoys being active, playing soccer, traveling, and hanging out with her dog, Porter.  She is extremely excited to be a part of the CIS community


MARC GREEN, Psychology and EAL Teacher

Marc Green holds a BSc in Psychology and comes to CIS after a year teaching ESL in public schools based in the north of the Czech Republic. Marc has developed a real passion for working with young people and helping them to fulfil their full potential. Previous to this, Marc spent time working as a Volunteer Coordinator in Sri Lanka, teaching English and volunteering at the National Institute for Mental Health.

When not in the classroom, Marc is an avid sports fan, most notably of football, with his support being split evenly between the England National Football Team and Chelsea Football Club.

ERIC HILLEBRAND, IB Economics, History Teacher

Eric Hillebrand has taught IB Human Science courses such as History and Psychology for 14 years on 4 different continents. He comes to CIS having been a leader at a unique IB program in the USA that has won national recognition for making the IB curriculum accessible to all levels of learners. He is a Senior Examiner in IB History and has lead trainings in the subject.

Outside of school, Eric is an avid road cyclist and enjoys spending time with his two young children and his wife, Carla Aiello, a School Counselor here at CIS.

BRIAN TYNAN, Humanities Teacher

Brian Tynan comes to CIS with a Bachelor’s Degree in International Relations from James Madison University and a post graduate teaching license from The College of New Jersey.  He has worked at international schools in Dusseldorf and Budapest and coordinated programs for dozens of international schools at an outdoor education centre in Switzerland.  He also holds a Master’s degree in Outdoor Studies which he earned as a student in England, Norway and Germany.

In his first year at CIS, Brian was assistant dorm head and humanities teacher.  In his second year, he moved to full time teaching History and Geography to 9th and 10th graders.  He loves to take students out of the classroom to share in educational experiences around which understanding can be constructed.  Brian is excited to be in a small, close-knit community where he can get to know students outside of the classroom.  He is also excited to take advantage of the climbing, kayaking, hiking, snowboarding and other outdoor pursuits which are right out the doorstep here in Karlovy Vary.

Art, TOK

Patricia Johnston is from Chicago where she was a photo/ film stylist in advertising before she earned a Masters of Art Education from Northern Illinois in Art Education. Since earning her teaching degree and Masters Patricia has taught visual art for 14 years in Thailand, Malaysia, U.S.A. and China. She also is an IB Visual Art Extended Essay and Visual Art Studio Examiner.

Patricia is thrilled to join the CIS international staff and students. She is excited to explore and lead trips to the local galleries, art performances and travelling throughout the Czech Republic and Europe. When not in the classroom Patricia enjoys socializing with friends, swimming, kayaking, knitting, photography, and is a working artist.

OLIN MORROW, IT Manager, Theory of Knowledge (ToK), Technology and Media Teacher

Olin W. Morrow II is an award-winning technology teacher with an extremely broad diversity of experience, talent and expertise. He holds a Bachelor’s degree in English Literature, another Bachelor’s in Theatre, and a Master’s degree in Education. He has acted professionally on the stage and in film, managed tax, accounting, land surveying and civil engineering firms, and run his own businesses in design, communications, distribution and technology services. A native of the United States and son of a US Diplomat, Olin spent extensive portions of his childhood living in Mali and Taiwan, and has never stopped traveling. He enjoys life’s great diversity and sharing his lifelong love of learning with his students.


STEVE PORTER, Director of Activities

Steve Porter holds a Bachelor of Science in Business Management and has found a real passion in working with young people. He has worked extensively with children in his home country, the United States, as well as in Switzerland, including working with summer camps and with children with special needs.

A lifelong athlete, Steve has played competitive sports since the age of 4, coached youth baseball and soccer, and worked professionally in the winter sports industry. When not on the slopes, Steve loves to relax with his friends, listening to music and cooking up new recipes in the kitchen.

SIMONA VARGOVÁ, Activities Supervisor

Simona Vargová is a native of the Slovak Republic. The completino of her Master´s degree in Management of Physical Educations and Sports at Charles University in Prague inspired her to a career in organising sport events. As a manager, she took a part in organising committees of major sporting events such as 1st European Games in Baku; European Youth Olympic Festival in Tbilisi and European Sport Corporate Games in Prague. Before joining CIS, she held the position of Director of Slovak Corporate Sport Games.

She has also experience of volunteering in sport and working with youth as an outdoor activities instructor and a ski instructor. These positions helped her develop leadership and interpersonal skills. She loves to inspire people and to make sport accessible for others in order to try something new. Her interests include travelling and learning languages.


CARLA AIELLO, College Counsellor

Carla Aiello comes to CIS with 11 years of experience as a school counselor and teacher in IB secondary schools in the USA and Taiwan. She was born and raised in Chicago, where she earned a B.A. in History Education from DePaul University before moving on to Bridgwater State University, where she obtained an Master’s degree in School Counseling and worked on student student leadership initiatives and on planning BSU’s awesome orientation program for new students.

She is excited to join the impressive international teaching staff at CIS, to get to know a new group of students from all over the world, and to explore the Czech Republic with her husband, Eric Hillebrand, and their two spirited children. In her spare time, Carla likes to meditate.

Matthew Frey, Counsellor

Matthew comes from Long Island, New York. He holds a Bachelor’s degree in social welfare and a Master’s in social work. He spent the last 10 years working with kids from coaching, substitute teaching and working with handicapped children.


Residential Life Team

LARISA KONDRATEVA, Director of Residency/Dean of Students

Larisa Kondrateva is an experienced teacher, who has spent more than 20 years working with children. Besides this, she has been working as a deputy school director, managing various administrative issues and tasks, for 6 years. Larisa is mostly interested in the educational processes, which contribute to the formation of the kids’ personalities and affect their future professional paths. Larisa was involved in a number of international processes, bringing up the students from different countries.



A graduate of Language and Cultural Studies at University College Cork, Irish native, and internationally qualified Foreign Languages and Social Studies teacher, Fiona joins CIS with a wealth of experience in the field of youth guidance.

She has spent the previous 6 years teaching, and assisting students in high schools and residential summer camps across Europe, in the roles of Camp Manager, Teacher, and Student Advisor.

As a CELTA certified EAL teacher, Fiona is particularly focused on second language acquisition, and life-long learning.

Feeling most at home in an educational setting, Fiona considers it a privilege to interact with inspiring young people in the boarding school environment. With a special interest in self-esteem development, and youth mental health, Fiona hopes to be a positive influence on the lives of her students. Her passion for travel, art, and nature makes Czech Republic an ideal location to develop her interests both personally, and together with her students.

VALERIE GRAF, Assistant Girls Dorm Head

Valerie Graf was born and raised in Long Island, New York. She holds a bachelor in Child and Family Studies and a master in Social Work. She is currently a NYS Licensed Social Worker. She has worked with many diverse populations. She has studied abroad in Peru where she volunteered in an orphanage and Costa Rica where she attended a social work Spanish academy. She has experience in working in substance abuse and macro social work. For the past six years, she has worked with persons with intellectual disabilities in residential settings and has extensive experience in applied behaviour analysis. Valerie comes with lots of passion and enthusiasm to help address their academic and social needs, shape the students future and make the most of their time here at CIS.


Matthew Frey, Boys Dorm Head and Counselor

Matthew comes from Long Island, New York. He holds a Bachelor’s degree in social welfare and a Master’s in social work. He spent the last 10 years working with kids from coaching, substitute teaching and working with handicapped children. He has coached kids of all ages in many sports ranging from 3 years old through college in sports that include: wrestling, MMA, basketball, football, volleyball and dodgeball. He comes to the Czech Republic with a passion for mental health and enthusiasm for all the little things in life that can make the world a different place.

DARRON CARSWELL, Assistant Boys Dorm Head

Darron Carswell, a graduate in Film Studies and Art History from the University of Kansas, has worked as Special Needs Mentor, Supervisor, and Job Coach. This work has taught him a great deal about empathy, patience, and personal development. His fervent belief in cultural diffusion has taken him to Europe with the desire to impress the importance of continued learning to students from across the globe. When not watching movies or reading criticism, Darron enjoys America’s game, baseball. He is a fan of the two-time World Series Champion Kansas City Royals.

Support Staff

Cláudia Brandão, Marketing Director

Cláudia Brandão is the Marketing Director at Carlsbad International School since January 2018. Cláudia has a strong background in the educational and corporate world. In her previous assignment as the Director of Institutional Advancement at the American School of Campinas, in Brazil, she lead the school marketing and development efforts to build a clear and solid image of the institution, establishing deep and long-lasting relationships with stakeholders, and supporting the school growth with a 60% increase in enrollment. Before joining the school, Cláudia worked for international corporations – Schlumberger Industries, Pepsi and DeLaval – where she had the opportunity to gain valuable work experience in different business models and segments, and developed an appreciation for cultural differences.


ADELYA NESRSTA, Associate Director of Marketing

Adelya Nesrsta a graduated with bachelor in Creative Multimedia in such a wonderful Asian country as Malaysia is. There she spent last 7 years . She was born in Russia, raised up in Kazakhstan. Before joining CIS she was a member of the marketing team in one of the leading Malaysian private universities. She is bringing her experience to CIS. She enjoys work in international teams like CIS.

Adelya loves to discover new countries and continents as well as meet new people and know more about their culture.


PETR HENCL, Operations Manager
Petr Hencl, a native of Karlovy Vary, joined CIS in 2015. Since September 2017 he has been working as an Operations Manager. In the past he worked at various positions in the BMW company in the Czech Republic and Germany. His main responsibilities were car sales to premium customers and communication with the company headquarters.

Petr loves travelling, skiing and mountains. He spends his free time with his family and dogs.


Mr. Franc, a native-son of Karlovy Vary, brings 20 years of experience and has worked in hotels such as the Grand Hotel Pupp, Savoy West End, and Bristol Palace.

Additionally, he brings solid knowledge of international cuisine obtained while working abroad in Germany, Italy, France, Poland and the Slovak Republic.


REGISTER:  Contact us to ensure you receive information about admission and enrolment.

NEXT: Why not read about our Advisory Board or about the Karlovy Vary region, our location west of Prague.



(Looking for a map or directions to the School? Click here for location information for Carlsbad International Day & Boarding School (CIS) for boys and girls.)



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