Leadership
At Raffles American School, our leadership team is dedicated to creating a positive and supportive environment for student success. With a focus on collaboration and innovation, they guide both staff and students to reach their full potential.

Dr. Alexandar Pethan
Superintendent
Dr. Pethan’s 25-year educational journey began when he volunteered to teach elementary students to read, sparking his passion for teaching.

James Elliott
Elementary School Principal
Mr. James Elliott is from Milwaukee, Wisconsin, and he joined Raffles American School in 2020 as a teacher and admissions representative. Mr. Elliott holds a BA in Rhetoric and Writing from the University of Wisconsin-Milwaukee.

Darla Her
Elementary School Assistant Principal
Mrs. Darla Her, from Missouri, USA, joined Raffles American School in 2022 as the Elementary ELL teacher and Learning Support Specialist before becoming Assistant Principal.

David Hornby
Middle School Principal
Mr. David Hornby began his teaching career in Vancouver, Canada, as a Social Studies and PE teacher. A planned 2-year stint in Japan turned into 26 years of teaching and leading international schools across Japan, China, Indonesia, and Malaysia.

Sok Wee Kho
High School Principal
Mr. Sok Wee Kho, a native Singaporean, holds a bachelor’s degree in Electrical Engineering from the National University of Singapore. As our secondary high school principal with teaching expertise in Cambridge, IB, and AP curricula.

Andy Manion
Athletic Director
Mr. Andy Manion, an Australian educator with over 38 years of experience in Physical Education, joined Raffles American School after teaching at the Australian International School in Vietnam.

Ian Nenke
Business Development Director
Mr. Ian Nenke, from Perth, Western Australia, joined Raffles American School in 2018, actively contributing to Admissions, Communications, and the International Camps program.