Our Faculty
Our faculty brings together subject teachers, ESL instructors, program specialists, and homeroom advisors. Together, they support academic learning, English-language development, student well-being, and preparation for future study.
Explore our teaching community
Browse by subject area, English-language support, or current homeroom assignment.
Subject teachers and program specialists
Mathematics 8 Faculty Members +
Mr. A. Tseng
Algebra, Geometry, ESL Instructor
Mr. A. Chang
Calculus, AP Calculus AB, AP Physics
Ms. C. Cheng
Geometry, AP Precalculus, AP Calculus AB and BC
Mr. M. Rabutan
Algebra 2, Pre-Statistics, Precalculus, Calculus
Ms. M. Amarille
Algebra 1 and 2, Geometry, Precalculus
Ms. R. Yang
Algebra 1 and 2, AP Statistics, AP Microeconomics
Ms. M. Salian
IB Mathematics: Analysis and Approaches, Sciences
Mr. M. Miller
Algebra 2, Mathematics, Technology, AP Computer Science Principles, ESL Instructor
Sciences 6 Faculty Members +
Mr. D. Mathew
Science, Biology, Chemistry, AP Biology
Mr. I. Fritz
Science, Physics, Robotics
Mr. J. Retortillo
Sciences, AP Chemistry, IB Chemistry
Mr. M. Ternelli
Chemistry, AP Environmental Science, AP Biology, IB Biology
Mr. A. Chang
AP Physics, Mathematics
Ms. M. Salian
Geology, Chemistry, Biology, Science, IB Mathematics
English and Language Arts 14 Faculty Members +
Mr. B. Torres
Literature, Speaking, Language Arts, IELTS
Ms. C. Lin
Language Arts, G10-2 Homeroom Teacher
Ms. F. Liu
Language Arts
Mr. J. Eraydin
Language Arts, Music, ESL Instructor
Ms. J. Rayo
Literature, Language Arts, AP Seminar, ESL Instructor
Ms. K. Chang
Literature, Language Arts
Ms. M. Judy
Literature, Language Arts, AP Seminar
Mr. M. Villarias
Language Arts, AP English Literature and Composition, AP Research, Politics, Studio Arts
Ms. R. Lee
Language Arts, IELTS
Ms. R. Janse Van Rensburg
Language Arts, Speaking, Literature
Mr. S. Aicher
Language Arts, Humanities, IB Japanese
Ms. T. Yang
Speaking, IELTS, G12-1 Homeroom Teacher
Ms. T. Selelo
Language Arts, Literature, IELTS
Mr. M. du Plooy
Speaking, Literature, Human Geography
Humanities and Social Sciences 13 Faculty Members +
Mr. E. Vásquez
Introduction to Psychology, IB Psychology
Mr. L. Kecsedi
AP Seminar, AP Psychology, IB Theory of Knowledge
Mr. M. Villarias
Politics, Language Arts, AP Research
Mr. O. Leggett
Thematic History, Sociology, AP Research, IB Extended Essay
Ms. R. Chu
Economics, AP Statistics
Ms. R. Yang
AP Microeconomics, Mathematics
Mr. S. Aicher
Physical Geography, Thematic History, US History, AP Comparative Government and Politics
Mr. S. Mahlalela
World History, Thematic History, Sociology, ESL Instructor
Ms. S. Cabatuan
Project-Based Learning, AP Macroeconomics, IB Business Management, IB Economics
Mr. S. Nolan
Physical Geography, Human Geography, Sociology
Mr. D. Pancoast
Physical Geography, Human Geography, Thematic History, Politics, AP Human Geography
Mr. M. du Plooy
Human Geography, Speaking, Literature
Ms. M. Yang
Human Geography, Thematic History
Technology and Computer Science 4 Faculty Members +
Mr. H. Cambranes
Robotics Competition, Pre-CSP, Robotics, Technology Grades 7–9, AI Tools
Mr. I. Fritz
Robotics, Science, Physics
Mr. J. Sy
AP Computer Science, IB Design Technology, ESL Instructor
Mr. M. Miller
Technology, AP Computer Science Principles, Mathematics, ESL Instructor
Arts and World Languages 5 Faculty Members +
Ms. V. Penner
Pre-Arts, Visual Arts, AP 2D and 3D Art and Design, AP Drawing, IB Visual Arts
Mr. M. Villarias
Studio Arts, Language Arts, Politics
Mr. J. Eraydin
Music, Language Arts, ESL Instructor
Ms. V. Villanueva
Spanish, IB Spanish, ESL Instructor
Mr. S. Aicher
IB Japanese, Humanities, Language Arts
Academic Programs and WASC 1 Faculty Member +
Mr. F. du Toit
WASC Coordinator, ESL Instructor
ESL instructors
ESL instructors support listening, speaking, reading, writing, vocabulary, academic communication, and confidence in English-medium learning.
Mr. A. Buirski
ESL Instructor
Ms. A. Kao
ESL Instructor, G7-1 Homeroom Teacher
Mr. A. Tseng
ESL Instructor, Mathematics
Ms. B. Chen
ESL Instructor, G8-2 Homeroom Teacher
Ms. B. Huang
ESL Instructor, G7-2 Homeroom Teacher
Ms. C. Chan
ESL Instructor, IB DP11 Homeroom Teacher
Mr. C. Wildeman
ESL Instructor
Mr. D. Meadows
ESL Instructor
Mr. F. du Toit
ESL Instructor, WASC Coordinator
Mr. H. Liu
ESL Instructor
Ms. J. Chen
ESL Instructor, G8-1 Homeroom Teacher
Mr. J. Eraydin
ESL Instructor, Language Arts, Music
Ms. J. Rayo
ESL Instructor, Language Arts, AP Seminar
Mr. J. Sy
ESL Instructor, AP Computer Science, IB Design Technology
Ms. K. Yeh
ESL Instructor, G12-2 Homeroom Teacher
Ms. L. Huang
ESL Instructor, G11-2 Homeroom Teacher
Ms. L. Yang
ESL Instructor, G9 Homeroom Teacher
Mr. M. Miller
ESL Instructor, Mathematics, Technology
Ms. R. Huang
ESL Instructor, G10-1 Homeroom Teacher
Ms. R. Yeh
ESL Instructor
Mr. S. Chen
ESL Instructor
Mr. S. Mahlalela
ESL Instructor, Humanities and Social Sciences
Ms. V. Villanueva
ESL Instructor, Spanish, IB Spanish
Mr. W. Lin
ESL Instructor
Current homeroom teachers
Homeroom teachers provide regular guidance, communication, and pastoral support for students in each class.
Ms. A. Kao
Homeroom Teacher
Ms. B. Huang
Homeroom Teacher
Ms. J. Chen
Homeroom Teacher
Ms. B. Chen
Homeroom Teacher
Ms. L. Yang
Homeroom Teacher
Ms. R. Huang
Homeroom Teacher
Ms. C. Lin
Homeroom Teacher
Ms. K. Tsai
Homeroom Teacher
Ms. L. Huang
Homeroom Teacher
Ms. T. Yang
Homeroom Teacher
Ms. K. Yeh
Homeroom Teacher
Ms. C. Chan
Homeroom Teacher
One faculty working together
Subject teachers, ESL instructors, coordinators, and homeroom advisors collaborate to support academic progress, communication, well-being, and student development across Grades 7–12.
Learn more about our school community
Meet the HWIS faculty.
Visit the campus to learn more about our teachers, academic pathways, English-language support, and student life.