International School Bangkok's administrative team is committed to working together with staff, students, and parents in following our Mission -
Through outstanding teaching in a nurturing environment ISB inspires students to:
Achieve their academic potential
Be passionate, reflective learners
Become caring global citizens
The following are condensed versions of the educational backgrounds of the key members of our administrative team.
| Name | Dr. William H. Gerritz |
| Title | Head of School |
| Education | Ph.D. in school finance, leadership, and policy analysis M.A. in school administration B.S. in chemistry and mathematics University of California, Berkeley |
| Name | Dott. Ugo Costessi |
| Title | Deputy Head of School - Chief Financial Officer |
| Education | Dottore in Economia e Commercio University of Trieste (Italy) |
| Name | Dr. Andrew Davies |
| Title | Deputy Head of School for Learning |
| Education |
Ed.D, University of Bath |
| Name | Mrs. Usa Somboon |
| Title | Headmistress |
| Education | M.Ed. in Education Administration, Chulalongkorn University, Bangkok, Thailand (Honors) B.Ed. in Education, Chulalongkorn University, Bangkok, Thailand (Honors) Certificate “The Art and Craft of the Principalship” Harvard Graduate School of Education, Harvard University |
| Name | Mr. Philip Bradley |
| Title | High School Principal |
| Education | B.Sc. Hons in Geography and Geology, University Coll. Wales M.A. K-12 Educational Administration, Michigan State University |
| Name | Mr. James Souza |
| Title | Middle School Principal |
| Education |
M.A. Counseling and Guidance, California Polytechnic State University (San Luis Obispo) |
| Name | Mr. Struan Robertson |
| Title | Elementary School Principal |
| Education | Principal Qualification Program, Queen's University, Canada M. Ed. Multidisciplinary Studies, SUNY Buffalo State, USA B. Ed. Primary Teaching, University of Windsor, Canada B. A. (History) Dalhousie University, Canada |
