Staff
The GSIS community prides itself in the diverse background of its faculty and staff. The majority of the teaching faculty hail from North America (70%) and Oceania (9%). The remaining 21% of the faculty hail from all over the globe including Africa, India, Eastern Europe, and South America. The teachers at GSIS come with a wide range of experiences and expertise to enrich the learning environment for the students.
Administration
Elementary
Primary Years Program Administration
Mr. Mark Broom
PYP School Principal
Mrs. Jabbie Rosario
PYP Coordinator
Ms. Gillian Png
PYP Literacy and Numeracy Specialist
Pre-Kindergarten and Kindergarten
Ms. Jacie Yoder
Pre-Kindergarten Teacher
Ms. Liel Kang
Kindergarten Teacher
Ms. Young Ju Oh
Kindergarten Teacher Assistant
Ms. Sue Kim
Pre-Kindergarten Teacher Assistant
Grade 1
Mrs. Karen Courliss
Grade 1 Teacher
Mrs. Lisa Walker
Grade 1 Teacher
Ms. Sung Ye Ryoo
Grade 1 Teacher Assistant
Ms. Abigail Son
Grade 1 Teacher Assistant
Grade 2
Ms. Kathleen Little
Grade 2 Teacher
Mrs. Rebecca Mayer
Grade 2 Teacher
Mrs. Ok Hee Kim
Grade 2 Teacher Assistant
Mrs. Ji Sun Yoo
Grade 2 Teacher Assistant
Grade 3
Ms. Michelle Kim
Grade 3 Teacher
Mr. Henry Laygo
Grade 3 Teacher
Ms. Sarah Jin
Grade 3 Teacher Assistant
Grade 4
Mr. Timothy Courliss
Grade 4 Teacher
Mrs. Cameron Kalua
Grade 4 Teacher
Ms. Hye Young Jo
Grade 4/5 Teacher Assistant
Grade 5
Mr. Ryan Mayer
Grade 5 Teacher
Ms. Esther Son
Grade 5 Teacher
Specials
Mr. Marcio Alves
PYP Physical Education Teacher
Mrs. Seolha Park
PYP Korean Teacher
Mrs. Ashley Jackson
PYP Performing Arts Teacher
Ms. Miriam Lee
PYP Visual Arts Teacher
Ms. Seungmin Lee
PYP Korean Teacher
Secondary
Secondary Administration
Ms. Tiffeney Brown
Secondary Principal
Mrs. Jenny Kim
DP Coordinator & DP Korean Teacher
Mrs. Nishtha Daniel
MYP Coordinator & MYP/DP Chemistry Teacher
Group 1 Teachers - Language and Literature
Mrs. Amy Evans
MYP English Teacher
Mrs. Sung Hee Lee
MYP/ DP Japanese Teacher
Mrs. Janice Middleton
MYP English Teacher
Ms. Oneyda Sandoval-Varela
MYP/DP English, DP Psychology Teacher, & IBMYP Service As Action Coordinator
Ms. Min Hee Shim
MYP/ DP Korean Teacher
Ms. Morgan Walker
DP English Teacher
Group 2 Teachers - Language Acquisition
Mrs. Shu Fen Chang
MYP Mandarin Teacher
Ms. Zulving Franco
MYP/ DP Spanish Teacher
Mrs. Shao-Hsien Kuang
MYP/ DP Mandarin Teacher
Ms. Elvira Marciano
MYP Spanish Teacher
Group 3 Teachers - Individuals and Societies
Ms. Jenny Ahn
DP Business Management & DP Economics Teacher
Ms. Alyssa Muus
MYP I&S Teacher/ IBMYP PP Coordinator
Mr. Liam Shaughnessy
MYP/DP History & DP TOK Teacher
Ms. Pamela Wright
MYP I&S/ DP Business Management Teacher
Group 4 Teachers - Sciences
Mr. Ibukun Adeleye
MYP Science & Math Teacher
Ms. Maria Carreon
MYP/DP Science & Chemistry Teacher
Ms. Stella Kim
MYP Science & DP ESS Teacher
Ms. Katherine Porter
MYP/DP Biology & DP ESS Teacher
Dr. J. Scott Wigenton
MYP/DP Physics Teacher
Group 4 Teachers - Design Technology
Mr. Rajneesh Daniel
MYP/DP Design Tech & DP Computer Science Teacher
Mr. Idowu Solomon Balogun
MYP Design Tech Teacher
Group 5 Teachers - Mathematics
Mrs. Cindy Choi
MYP/DP Mathematics Teacher & Choir Director
Mrs. Yiesun Lee Kim
MYP/DP Mathematics Teacher
Mr. Mark Rosario
MYP Mathematics Teacher
Mrs. Junghye Yun
MYP/ DP Mathematics Teacher
Group 6 Teachers - The Arts
Mrs. Risa Kim
MYP/DP Visual Arts Teacher
Mr. Dustin Jackson
MYP/DP Music & Band Conductor
Ms. Esther Machileka
MYP/DP Drama and Theater Teacher
Mrs. Hana Na
MYP Visual Arts Teacher
Ms. Katelyn Park
MYP/DP Visual Arts & MYP Design Technology Teacher
Mr. Chan Yang Park
MYP/DP Music & Strings Teacher
Theory of Knowledge/Creativity Action and Service Teachers
Mr. Daniel Middleton
DP TOK/Publications Teacher
Physical Education Teachers
Mr. John Blanchard
Athletics Director
Mr. Matt Evans
MYP PE Teacher
Mrs. Rosario Mary Jesudoss
MYP PE Teacher
Bible Teachers
Mr. Jonathan Kwon
Secondary Bible Teacher
Ms. Rochelle Makweya
Secondary Bible Teacher
Student Support
English Language Learning/Special Educational Needs
Mr. Andrew Tressa
EAL Coordinator/Secondary EAL Teacher
Mrs. Tae Im Yi
PYP ELL Teacher
Ms. Dacyl Gloria
Secondary Special Education Coordinator/Teacher
Mrs. Ju Yeon Park
PYP SEN & EAL Teacher
Mrs. Susie Kim
MYP English Language Learning Support
Mr. Jinku Lee
MYP English Language Acquisition/ DP English B/ DP TOK
Student Life and Counseling
Mr. Casey Fanning
Director of Student Life
Mr. Kevin Kalua
Grade 9-12 (L-Z) Counselor
Ms. Lisa Hong
Grade PK-5 Counselor
Mr. David Lee
Grade 6-8 Counselor
Mr. Chuck Krugler
Grade 9-12 (A-K) Counselor
Library and Media
Ms. Colleen James
Secondary Librarian/ EE Coordinator
Ms. Keran Fynn
PYP Librarian and PYP EAL Teacher
Mrs. Cindy Hong
Assistant Manager
Mr. Nicholas Schirmer
Director of Technology
Aquatics
Mr. Ulrich Mullur
Aquatics Director/ PE Teacher
Mr. Soo Yong Kim
Lifeguard - Teacher Assistant
School Health
Mrs. Ann Kil
School Nurse
Substitute Teachers
Mrs. Kyenam Chang
Substitute Teacher
Mrs. A Young Cho
Substitute Teacher
Mrs. Kangim Choi
Substitute Teacher
School Support
Academic Support
Mrs. Helen Jang
Team Manager
Mrs. Chelsey De Eun Kim
Deputy Manager
Ms. Kate Kim
Deputy Manager
Mrs. Ha Young Maeng
Assistant Manager - Counseling & Registar
Mrs. Amanda Hyang Ki Lee
Lead
Mrs. Grace You
Lead
Admissions and Business Support
Mrs. Karen Jieun An
Team Manager - Business Support
Mr. Sung Chul Kwon
Manager - Business Support/IT
Mr. Joey Beom Koo Kim
Assistant Manager - Admissions
Ms. Hyun Sun Kim
Deputy Manager - Admissions/IT
Human Resources
Mr. Chris Kyoung Soo Hwang
Team Manager
Mrs. Stella Sung Hye Lee
Deputy Manager - HR Planning Team HOS
Mrs. Sophie Sun Young Yeom
Deputy Manager - HR Planning Team HOS
Mr. Han Kil Kim
Staff
General Affairs
Mr. Andrew Hyun Woo Ahn
Senior Team Manager
Mr. Hong Yeon Hwang
Manager
Mr. Jae Min Kim
Deputy Manager
Ms. Ji Eun Bae
Staff
Finance
Mr. Hyeong Jun Shim
Team Manager
Mr. Huey Hoo Jung Lee
Deputy Manager
Facilities
Mr. Hong Gu Yeo
Team Manager
Mr. In Su Jung
Assistant Manager
Mr. Jang Joong Kim
Deputy Manager
Mr. Kyung Sun Yoo
Staff