Academic Leadership Team
Head of School
Mr. Colaianni has been with SIS since 2014, when he was appointed as Director of Schools and later on, as Head of School. He has been in international school leadership positions in Vienna, Austria, Kobe, Japan and Florence, Italy.
Director of Guidance and College Counseling
Kelcey Edwards came to SIS in 2020. She has focused on the high school to college transition for more than 20 years through her work in various K12, higher education, and educational testing organizations.
High School Principal
Dr. Gerhard has been with SIS since 2015.
Middle School Principal
Mr. Benavidez has been with SIS since 2017. He has been a Middle School Administrator for over 15 years. He loves working with the SIS students and families and believes in the African Philosophy of UBUNTU, "I am because you are". We become better by helping others.
Elementary School Principal
Mr. DeFilippo has had the honor of being the Elementary Principal at Seoul International School for 10 years. He has been an instructor for future teachers at the University of Arizona and an instructor for future administrators at the University of Phoenix. He has received the Arizona Teacher of the Year Award and was honored at the University of Arizona as a Distinguished Educator.
High School Vice Principal
Mr. Macklin has served in a variety of capacities at SIS since 2006. When asked why he has stayed so long, he replies that he loves the challenges posed by the ambitious, demanding students at SIS.
Elementary & Middle School Vice Principal
Agnes Schuppel has been at Seoul International School since 2009. This is her fourth year as the Assistant Principal of the Elementary and Middle School. Prior to being Assistant Principal, she worked as a classroom teacher, literacy coach, reading specialist and Elementary School Coordinator. Each day it is an honor and privilege to have the opportunity to work with our students, staff and parent community.
Director of Curriculum and Professional Development
David Coleman first came to SIS in 2013 as part of the high school English department and joined the school's Leadership Team in 2017 as Director of Curriculum and Professional Development. In his 23 years in education, Mr. Coleman has served as a teacher leader, curriculum coordinator, accreditation specialist, and taught English and Journalism at the high school and college levels in both Colorado and Maine.
Irene De Shazo
Director of Admissions
Mrs. De Shazo has been in education for the past 18 years. She first came to SIS in 2009 as a Learning Specialist and ESL Teacher. Two years later she moved to her current position as Director of Admissions.
Administrative Leadership Team
Sung Chul Cha
Director of General Affairs
Young Ok Chi
Director of BM Office
Sang Kyu Nam
Director of Transportation
Yang Min Ko
Director of Academic Affairs
Chung Youl Lee
Director of Finance and Accounting
Bum Shik Shin