Faculty & Staff Directory

Rita Adhikari

Titles: Middle School Humanities Teacher
Departments: Humanities

Blanca Aguilera

Titles: Teacher Assistant
Departments: Grade 1, Spanish

Ouahiba Akkache

Titles: Kindergarten French Teacher Assistant
Departments: Kindergarten

Cecil Aldridge

Titles: Upper School Learning Specialist
Departments: Student Support
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Senior Administration

CLAYTON W. LEWIS | Head of School


Mr. Lewis was appointed head of school in 2007. He has administered international schools for nearly four decades, formerly as director of the International School of Luxembourg, and as high school principal at the American School in London and the American School of The Hague. Mr. Lewis is recognized as the founder of the Global Issues Network, now involving over 200 schools around the world, and was honored by the National Association of Independent Schools with the first Leadership Award for Global Initiatives. He holds a B.A. in history from Rhodes College and an M.S. in educational administration from the George Peabody School of Education at Vanderbilt University. Mr. Lewis has served as a trustee of the Association of Independent Schools of Greater Washington, the Association for the Advancement of International Education, the European Council of International Schools and the Tregaron Conservancy. He is married with three grown children.

NATASHA BHALLA | Associate Head of School


Ms. Bhalla attended WIS for her primary school years, after her family moved to the United States from India. She earned a B.A. in English education at Virginia Tech and an M.Ed. in social foundations of education at the University of Virginia. Before returning to WIS in 1999 to teach English, Ms. Bhalla spent three years teaching English in the Alexandria City Public School system. She was the WIS Middle School Principal from 2010-2016, after serving as the Assistant Principal for several years.

RANDY ALTHAUS | Middle School Principal


Mr. Althaus came to WIS in 2014, after seven years at Jefferson Middle School in Arlington, VA. He is a Spanish speaker and was chosen to be a Fulbright-Hayes Scholar in Ethiopia. His education credentials include a B.A. from University of California, Berkeley in Linguistics, and an M.A. from Georgetown University in Teaching English as a Second Language.

RICHARD ANDERSON | Director of Information Services


Mr. Anderson earned a B.A. in Spanish/Portuguese and Latin American studies from the University of Minnesota and a Master of library and information science from the College of St. Catherine, in Minnesota. He also studied at the Pontificia Universidade Catolica, in Brazil. Before coming to WIS in 2006, Mr. Anderson served as a Peace Corps volunteer librarian at the Universite Adventiste-Cosendai, in Cameroon.

ISABELLE BADOUX | Director of Human Resources


Ms. Badoux earned a B.S. in French and Spanish from Georgetown University. She was a human resources administrator for 23 years before coming to WIS in 2004.

KIMBERLY A. BENNETT | Director of Marketing and Communications


Ms. Bennett earned her B.A. with distinction in foreign affairs from the University of Virginia and her M.B.A. from Georgetown University. Prior to joining WIS in 2008, she worked in international education at the US-China Education Trust and in strategic communications at The Kamber Group. While employed by the U.S. Department of Defense, she lived in East and South Asia. Ms. Bennett is reasonably fluent in Mandarin Chinese and has also studied French, Hindi, Russian and Spanish.

PASCALE PRITSIOS DUNAWAY | Director of Advancement


Ms. Dunaway earned her B.A. in economics from Bucknell University in Pennsylvania and her Master’s in higher education administration from the Teacher’s College at Columbia University. She joined our staff in 2010, after nearly five years of serving as the Director of Leadership gifts at St. Alban's School. Previously, she served in the development office at Johns Hopkins University – School of Advanced International Studies, and as an alumni relations officer at Columbia University in New York.

DAVID MARKUS | Upper School Principal


Mr. Markus is a graduate of Tufts University, where he majored in international relations and studied Russian. He holds masters degrees from the School for International Training in Teaching English to Speakers of Other Languages and from the Kennedy School, Harvard University in public administration. His career includes teaching history and Russian at the Northfield Mount Hermon School in Massachusetts, chairing the history department at Durham Academy in North Carolina and senior administrative roles in DC public and charter schools.

MELODY MEADE | Primary School Principal


Ms. Meade has worked as a teacher and administrator in South America, the U.S. and Europe. Prior to joining WIS as a teacher in 2001, Ms. Meade taught in primary schools in California, New York and at Escola Pan American da Bahia in Brazil and the Lycée International in St. Germain-en-Laye. She was Middle School Principal at Le Collège Pierre et Marie Curie in Le Pecq-Paris, France and Director of a Montessori school in Brussels, Belgium. Ms. Meade has spent over two decades working in dual-language and language immersion schools. Ms. Meade earned a B.A. with honors in elementary education from the University of Rhode Island and an M.A. in educational administration from Teachers College, Columbia University at the Klingenstein Center for Independent School Leadership.

MARY HASTINGS MOORE | Director of Admissions and Financial Aid


Ms. Hastings Moore holds a B.A. and M.A. in art history from George Washington University. Before joining the WIS staff in 2003, she worked for over 12 years in marketing and sales for two telecommunications service companies. She also worked for five years in the membership office of the American Association of Museums.

JIM REESE | Director of the PDC @WIS


Dr. Reese earned his B.A. in English from Davidson College and his M.Ed. in secondary English education from The George Washington University (GWU), where he also completed his doctorate in curriculum and instruction. He is formerly the head of the English department at the International School of Brussels and has served since 2001 as a faculty member at the Project Zero Classroom summer institute, held annually in the Graduate School of Education, Harvard University. He also serves as an adjunct instructor at George Washington University.

DAVID SARPAL | Director of Auxiliary Programs


Prior to his arrival at WIS in 2014, Mr. Sarpal spent six years working for the Campagna Center. During his tenure at Campagna, he served as Site Director for Campagna Kids at William Ramsay Elementary School, as well as Community Outreach & Engagement Coordinator and the Director of Marketing & Communications. He earned an MBA from University of Maryland and received his Bachelor of Arts from Vassar College; he also has completed coursework in Early Childhood Education. Mr. Sarpal is fluent in Spanish and French and is conversant in Italian.

DALE TEMPLE | Director of Facilities and Operations


Mr. Temple served as Facilities Director at the Seattle Country Day School from 1999-2010, where he supervised all aspects of the daily facility operations while also managing the school's large capital projects. Prior to his arrival at WIS in 2013, he became Facilities Director of the Association of American Medical College in Washington, DC. Earlier in his career, he worked for the IKEA N.A. Group and for the University of Idaho. He received his B.S. from West Chester University and his CFM from the University of Washington.