Martin Hall

Head of School, ACS Hillingdon

Martin Hall grew up in Scotland and gained his first degree in Political Economy and Philosophy from the University of Glasgow.

Lisa Blair

Upper School Principal (middle & high school)

Born and brought up in East Kent, Lisa attended Grammar School in Dover and took her Bachelor’s degree in English and History at the University of Kent at Canterbury, followed by a postgraduate Diploma in Medieval and Tudor Studies.

Michelle Eriksen

Early Childhood & Lower School Principal

Michelle was born in Minnesota and completed her undergraduate degree in education at the University of Oregon. After teaching in the Seattle area, she moved to the UK in 1991 with her Norwegian husband.

Christina Decu

Dean of Admissions - Hillingdon

Born in Sweden to German parents, Christina finished her education in Bremen, Germany before moving to New York to join a two year programme for young professionals set up by the US and German governments.

Alyssa Ballard

Academic Principal

Alyssa is an American-British dual citizen and has lived in various places due to her father’s U.S. Air Force career. At Brigham Young University, she earned a Bachelor of Arts in Theatre Education and also English Teaching.

Alexandra Read

Coordinator for Digital Teaching and Learning

Alexandra has worked for ACS International Schools since 2011. She was previously the coordinator of Digital Teaching and Learning at ACS Cobham and joined ACS Hillingdon in 2016.