ASD School Leadership


Ronnie Caldwell

Principal, ASD

Ronnie Caldwell has been an educator since 2001 and involved in international education since 2006. He began his teaching career at the American Institute of Learning in Austin, Texas and then spent several years working for the Houston Public School District.

His career abroad began at the Almaty International School in Kazakhstan, followed by the American International School of Chennai, India and, in 2012, ISG. Ronnie worked as both a teacher and Assistant Principal at Yanbu International School before becoming the Assistant Principal at DHS and now the Principal. Ronnie holds a master’s degree in educational leadership.


Marissa Archie

Assistant Principal for Elementary School, ASD

Marissa is originally from Las Vegas, Nevada. She graduated from a liberal arts school, Berry College, with a Bachelor of Science in Middle Grades Education (Grades 4-8). During her time as an undergrad, Marissa had the opportunity to study abroad twice, leading to her desire to begin her career as an international educator.

In 2014 Marissa moved to Monterrey, Mexico where she taught Grade 5 students the American Curriculum.  In addition, she earned her Master of Science in Multidisciplinary Studies with action research on Restorative Justice as a Behavior Management Technique.  Marissa then moved to Jeju, South Korea, to expand her skill set as an International Baccalaureate Primary Years teacher in Grades 4 and 5. There she continued her education by earning an Educational Specialist degree in Curriculum and Instructional Leadership.  Marissa joined the ISG community as a Grade 5 teacher before moving into the middle school as a middle school English teacher, Lead Literacy Teacher, and Department Head. 

Marissa is delighted to serve as the American School Dhahran Elementary Assistant Principal starting in the fall of 2023. She is accompanied by her husband, Corey, who teaches physical education and coaches multiple sports.


Tracy Bosch

Assistant Principal for Middle School, ASD

Tracy Bosch is originally from Durban, South Africa. After qualifying at Edgewood College of Education (University of Kwazulu Natal), she began her teaching career in 1996, initially a grade 4 classroom teacher before becoming a K-8 technology specialist. Following her husband to Saudi Arabia in 2002, Tracy joined ISG as a third grade teacher at Dhahran Elementary Middle School.

During her 17 years at DEMS, Tracy has enjoyed a variety of roles, from elementary classroom teacher to K-8 Technology specialist. Most recently Tracy was the DEMS Technology Co-ordinator and Dean of Students.  Tracy started her role as middle school assistant principal in August 2018.


Ewan Hunt

Assistant Principal for High School, ASD

Ewan Hunt is originally from the Vancouver area of Canada but he has been travelling and living internationally for about half his life. He earned a Bachelor of Education from Simon Fraser University, during which time he spent a semester in Trinidad teaching high school as part of the International Teacher Education Module.

Since then he has spent his entire career teaching internationally, including eight years in China in a British Columbia school system, five of which were in administration. During this time he also completed a Master of Education in Teaching and Learning from the University of British Columbia and was appointed to open up and expand a new high school campus within the system. In South Korea he taught in the IB, including MYP, DP History and Global Politics, and also became a TOK Coordinator. Ewan has been in Saudi Arabia with ISG since 2018 where he has been the IB Diploma Program Coordinator and Advanced Placement Coordinator since 2021, in addition to becoming a High School Assistant Principal in 2022.

He is accompanied by his wife, who works in counselling, and his two young daughters, and is currently pursuing a Certificate of International School Leadership.  

Will McConnel ASD

Will McConnell

Assistant Principal for High School, ASD

Will McConnell grew up on a small dairy farm in Canon City, Colorado.  Will graduated from Colorado College in 2005 earning a Bachelor's Degree in Biology along with a teaching license.  He has since continued his education earning a Master's Degree in International Teaching from Framingham State University in 2013, and an Educational Specialist (E.d.S.) degree in Educational Leadership from the University of Northern Colorado in 2019. 

Prior to his move into administration Will worked as a science teacher for 16 years, 11 of those internationally. He has taught at schools in Colorado, California, El Salvador, Vietnam and Saudi Arabia. He also has experience working in both British and American international schools. Will is incredibly excited to take on a new challenge as Assistant Principal of the High School at ASD, and looks forward to helping ASD students and staff reach their potential.