School Principal: Tobin Holden
This is Mr. Holden’s fourth year at WZIS and he is grateful for the opportunity to serve the Zhongshi community. Mr. Holden has taught Middle and High School Mathematics, Physical Education, English, and Grades 5 & 6. He has been a Primary Head Teacher, High School Head Teacher, Curriculum Director, Vice Principal and Assistant Principal. Mr. Holden has taught in the United States as well as ten years in Thailand. He holds a Master’s degree in Education (Curriculum and Instruction) and is currently pursuing a doctorate in educational administration at Concordia University, Portland with his wife, Diana. He enjoys spending his free time with his wife and two daughters, Dee and Zoe.

Sr. Vice Principal: Lucia Dominguez (Grade 11 Advisor)
Mrs. Lucia Dominguez graduated Master of Education at De La Salle University with Physics Education as her major. She finished Bachelor of Secondary Education with Mathematics and Science as her major and minor, respectively. She holds a TESOL certificate and Certificate of units in Masters of Arts in Applied Statistics. She has taught Physics and Research in the Philippines for eight years and has taught English, Math, Science and Physics in China for seven years. She was a Master Trainer of the Intel Teach to the Future Program and was awarded one of the First Philippines Innovative Teachers Leadership Awards. As a well-trained educator, she has served as a teacher trainer, Physics lesson plan writer, and Science Fair coordinator. As a mother of two children, both graduates from WZIS, she believes that WZIS both provided a great environment and superior opportunities necessary for her children’s holistic development.

Vice Principal, Head of Primary: Xochitl Tobias
Mrs. Tobias has been working as an English teacher since 1994. She has a degree in Education and she is an IBO certified teacher. She has worked in an international school for 13 years. She has taught Language Arts, Science, Math, and Social Studies. Besides her teaching experience, she has worked as a Science Lab attendant and advisor of the United Nations group. She was promoted to Head of Primary in June 2013 and alongside her committed team has helped restructure our Primary School, significantly improving the education programme for our youngest students.

Vice Principal, Development Director: Dr. David Lee

“I believe that our school is a hub that brings up our students as competent future leaders who will work for the greater good. The mission of our school, to develop “Servant Leaders” is the seedbed of our core values: holistic education, responsibility, wisdom, respect, and self-expression. This pentagon reflects the shape of WZIS and the image that I humbly chase.”

Head of High School:  Diana Holden (Grade 12 Advisor)
Diana joined our Zhongshi family in September 2013. Besides teaching middle science, IGCSE Biology and A level Biology, she is the team house mom for the fierce hawks! She has been teaching ESL, Biology and middle school science since 1999. Prior to Zhongshi, she taught in the USA and Thailand where she met her husband Tobin. They have two beautiful daughters, Dee (11) and Zoe (4). Diana has a Master’s Degree in education (Curriculum and Instruction) from Assumption University in Thailand, a B.Sc. in Zoology from WCC, India and a Cambridge RSA-CELTA certification in teaching English as Second Language to adults. Currently, she is pursuing her doctorate in teachers’ leadership from Concordia, Portland, along with her husband. In her free time, Diana loves going on dates with her husband, playing with her daughters and hanging out with the Zhongshi family. She also enjoys traveling, experiencing new cultures, playing guitar, reading and listening to music. However, she is excited to be at ZKIS, preparing and developing servant leaders for the global community!

Head of Middle School: Arsenio Sumeg-ang (Grade 8 Advisor)
Mr. Sumeg-ang graduated with a degree in Agriculture, major in Agricultural Extension at the University of the Philippines, Los Banos . He is a member of Gamma Sigma Delta (UPLB Chapter), an international honor society recognizing excellence in agriculture and related sciences. He has been teaching English for over 10 years. He has taught for two years in the Philippines and served as a regional and national trainer for school paper advisors. He has also done research for an organization of schools in the Philippines and wrote and published a book on the ethnography of the major ethnolinguistic groups in the Cordillera, Philippines before coming to China in 2003. He was working as an Academic Advisor at a language school in Hefei City, China prior to joining the teaching staff of WZIS. He is currently taking a diploma course in language and literacy leading to an MA in Language and Literacy Education.