School Administrator Profiles

Aaron Kombol DHS PrincipalAaron Kombol - Principal, Dhahran High School

Mr. Kombol was born and raised in Washington and graduated from Bellingham High School in Bellingham, Washington. After high school, Mr. Kombol earned his Bachelor of Science degree in Biology from Central Washington University. He began his teaching career in LaConner, Washington and soon after moved on to the Lake Washington School District. During his teaching career Mr. Kombol taught primarily Chemistry and Biology but also taught Algebra, Pre-Algebra and PE as well. During this time he also coached numerous sports and served as District Athletic Director.

Kristen Dickhaut Vice Principal DHSKristen Dickhaut Vice Principal, Dhahran High School

Kristen Dickhaut has a vast amount of international teaching experience. After beginning her teaching career in Houston, Texas as a Middle School specialist, Ms. Dickhaut was granted a Fulbright Scholarship to Russia. Following her time in Russia, she served as Middle School Team Leader at the American School of Kuwait. While in Kuwait, she coached numerous high school teams and led several student trips abroad.

Harold Cooke Yanbu PrincipalRonnie Caldwell - Vice Principal, Dhahran High School

Mr. Caldwell was born and raised in San Antonio, Texas (USA). He attended the University of Texas at Austin. In 2001, he graduated with a degree in History. His teaching career began in August of 2001 working at a charter school servicing at-risk students in Austin, Texas. After two years in Austin Mr. Caldwell taught for three years in the Houston Independent School District before he and his wife took their first international posting at Almaty International School in Almaty, Kazakhstan.

John Rutten Dammam PrincipalJohn Rutten - Principal, ISG Dammam

Mr. Rutten graduated from Bemidji State University (USA) in 1981 and finished his M. Ed. in Guidance and Counseling in 1992 from North Dakota State. He continued his studies in Administration and Leadership at TriCollege in Moorhead, MN and received his Specialist degree in 2001.

Mr. Rutten worked as an elementary teacher in El Salvador, Bolivia, and Pakistan before returning to the US. He then became an elementary school guidance counselor for seven years in rural Minnesota. Later he served as an assistant elementary principal, elementary principal and high school principal in Minnesota before returning to the overseas life as Principal at ISG Dammam.

Sylvia Marcos Dammam Vice Principal Middle SchoolSylvia Marcos - Vice Principal of Middle School, ISG Dammam

Sylvia Marcos joined International Schools Group (ISG) Dammam in SY 93-94. A graduate of Bachelor of Arts in Literature and a Masters Degree in Reading, Mrs. Marcos taught Language Arts, Science, Health, Study Skills, and Social Studies to grades 6-8 students and was the adviser of the school newsletter, The Rahimazette, for five years. 

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ISG Contact Details

International Schools Group (ISG)
P. O. Box 31677
Al-Khobar 31952
Saudi Arabia

Phone: +966-13-330-0555

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