Prior to joining TSIS, Ms. Kristine taught at schools in Dallas, Texas, USA for 20 years. She has certification and experience teaching Economics, Psychology, Sociology, History, and Geography. She has taught Economics at the AP (Advanced Placement) level for seven years and Psychology at the AP level for 13 years and at the IB level for five years.

​

With experience teaching students of many different abilities, Ms. Kristine has developed teaching strategies to help students find their own success. 

Originally from Sydney, Australia, Mr. Gary has had the pleasure of guiding students towards success through his teaching for over two decades. He has taught a combination of IGCSE & A-Level Business & Economics for more than a decade with three students receiving ‘Top in Thailand’ awards from Cambridge International Examinations for A-Level Business. 

Mr. Gary strives to create a passion for business, instilling a ‘can-do’ attitude and mindset for students, where they can practically apply conceptual business principles with confidence.

Ms. Bowornrat (Kru Maew') has a great deal of experience teaching learners of various ages in both Thai and international schools. Her love of teaching started when she was young when she realised that she wanted to make a difference in the lives of young people. Kru Maew enjoys teaching Thai language, culture and dance to native and non-native Thai speakers alike. She is proud to deliver lessons which incorporate both new and traditional teaching methods that encourage students to develop and maintain a true appreciation of Thai language and traditional culture, as well as Thai music, art and dance in today's modern society.

Mr. Ranjeet has over ten years of teaching experience both in India and Thailand. As well as teaching, Mr. Ranjeet is a passionate writer and director of stage dramas. Mr. Ranjeet is well qualified in both Punjabi language and Sikhism. He plays a very important role in our school, leading regular religious activities for our Sikh students and ensuring that our non-Sikh students and staff have an awareness of the universal values of the Sikh religion. 

Mr. Shailesh is TSIS's longest serving teacher. Originally from India, he has teaching qualifications covering Hindi language, history, social science, psychology and Library and Information Science. Mr. Shailesh recognises that every student has unique ways of learning and enjoys the challenge of providing a learning environment which caters for all students.

As a long-term resident of Thailand, with exceptional administrative skills, Mr. Shailesh is a valued and well-connected member of the TSIS team who contributes to many other aspects of our school which ultimately support students in their learning and development. 

Ms. Alice is from China and holds a Master’s Degree and Teaching Certification in Teaching Chinese to Speakers of Other Languages.

Ms. Alice has taught in several international schools in Bangkok for over 10 years. At TSIS Senior School, she teaches Mandarin to our Key Stage 3 and IGCSE students.