Mark is a UK citizen who joined The Gardner School in 2008. He was a teacher in International Schools in Asia and Europe before becoming an administrator at Windhoek International School in Namibia and at the International School of Tanganyika in Tanzania. He was head of The Bilingual European School in Milan for three years before moving to The Gardner School. He has led numerous workshops and authorization visits for the International Baccalaureate Primary Years Program around the world. Mark lives with his partner in Portland and has two teenage children.