• Degree: Master of Education in Education Administration

• Certification: Certified Educational Administrator, Certified Teacher, and Certified Education Evaluator, Certified SAT coordinator

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• Opened Theodore International School in 2014 with the hope to inspire and challenge young minds, provide quality education,  and spread the love of Jesus. 

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• Email: admin@tis.ac.th

• Degree: Bachelor of Art in Economics

• Certification: Certified High Education Teacher

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• Email: stevenzhang@tis.ac.th

• Degree: Master of Education in Teacher Leadership, Bachelor of Science in Early Childhood Education, Bachelor of Science in Elementary Education.

• Certification: Certified Teacher from America, Certified Educational Administrator, Certified Cambridge Examiner, Certified SAT Instructor, Certified in Child Protection: Children's Rights in Theory and Practice, and Certified Cognia eleot observer

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• Email: morganmoellering@tis.ac.th

• Degree: Bachelor of Science in Biochemistry, Masters of Public Health in Infectious Diseases

• ​Certification: TEFL, Certified Cambridge Examiner, and Certified Cognia eleot observer

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• Email: levimoellering@tis.ac.th

• Degree: BS in Psychology. 

• Certification: TEFL certification. CELTA certification

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• Email: mahalia@tis.ac.th

• Degree: Bachelor of Commerce in Law 

• Certification: TEFL certification. 

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• Email: naveena@tis.ac.th

• Degree: Bachelor of Arts Multimedia Arts

• Certification: TOEIC

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• Email: monique@tis.ac.th

• Degree: Bachelor of Art in TESOL

• Certification: TOIC, TEFL, Diploma in Sports Massage therapy, Diploma in reflexology. 

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• Email: rory@tis.ac.th

• Degree: Bachelor of Education in Technical Subjects

• Certification: TEFL certification

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• Email: jurie@tis.ac.th

• Degree: Bachelor of Education

• Certification: TEFL certification

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• Email: willem@tis.ac.th

• Degree: Bachelor of Asian Studies (Hon)

• Certification: TEFL certification​

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• Email: damian@tis.ac.th

• Degree: Master in Teaching, Endorsement in K-8 education, Multilingual Education

• Certification: Certified Teacher in WA,TESOL, BEST Mentor Certified, Instructional Coach 

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• Email: meiyee@tis.ac.th

• Degree: Master in Physics and Philosophy

• Certification: Certified Teacher in Denmark

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• Email: thomas@tis.ac.th

• Degree: Bachelor of Education, Intermediate Phase

• Certification: TEFL certification

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• Email: riaan@tis.ac.th

• Degree: B.S Education/ISM

• Certification: Certified Teacher

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• Email: paul@tis.ac.th

• Degree: Bechelor of Arts and Digital Design (Hon)

• Certification: TEFL Certified Teacher, Diploma in Cyber Security

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• Email: tony@tis.ac.th

• Degree: Bachelor of Music and Performing Arts, International Music Major

• Certification: Certified Teacher

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• Email: music@tis.ac.th

• Degree: Bachelor of Education Program in Physical Education

• Certification: Certified Teacher

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• Email: pe@tis.ac.th

• Degree: Bechelor of Arts (Languages,Communication and Business)

• Certification: Certified Teacher

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• Email: thai2@tis.ac.th

• Degree: Bachelor of Thai  Education

• Certification: Certified Teacher

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• Email: thai3@tis.ac.th

• Degree: Bachelor of Education in English

• Certification: Certified Teacher

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• Email: yolinda@tis.ac.th

• Degree: Bachelor of Education in English​

• ​Certification: Certified Teacher, TEM8, Level 2A in Mandarin Proficiency Test

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• Email: retti@tis.ac.th