School Administrator Profiles

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.

Trevor Naidoo Dammam High School Vice Principal

Trevor Naidoo - Vice Principal of High School, ISG Dammam

Trevor Naidoo completed his Bachelor of Science (Math and Physics) and went on to complete the Bachelor of Education (Honors) as well as other Teaching Certificates in Durban, South Africa. This was followed by a Masters in Leadership and Administration through Buffalo SUNY in 2012.

Nehla Lejmi Dammam High School Vice Principal

Nehla Lejmi - Vice Principal of High School, ISG Dammam

Nehla Lejmi graduated from University Laval, Canada, with a Bachelor’s degree in Chemical engineering; and from University of Montreal, Ecole Polytechnique, Canada, with a Master’s degree in Physics and Materials Science Engineering. She also earned a Master’s degree in Education/Curriculum and Instruction, from University of Phoenix, Arizona, USA.

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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