Administrative Team

Dr. Edward E. Greene, Director

A native of Syracuse, New York, Dr. Greene has served as a teacher and administrator in international schools in Bolivia, India, Kobe, Japan and Brazil. He has also held the position of District Supervisor for Languages, High School Principal and Director of Development and Innovation for the Chattanooga Tennessee Public School. He has served as Director of ISA for 14 years and in his tenure, the school has grown into one of the world’s leading international schools for primary and secondary education.

Prior to joining ISA, Dr. Greene served as the Executive Director of the University Laboratory School at Louisiana State University, where during his tenure the school became the first in the state of Louisiana to offer the IB Diploma and Primary Years programmes. Under his leadership, the school was recognized by Newsweek magazine as one of the top 50 schools in the United States.

Dr. Greene attended the University of New Hampshire, where he completed degrees in English Literature at Elmira College (BA cum laude) and the University of New Hampshire (MA). He holds a Ph.D. in Educational Leadership from the University of Florida and completed postdoctoral studies in independent school leadership as a Klingenstein Fellow at Columbia University.

He has published and presented on a wide array of topics, ranging from teaching strategies, teacher evaluation, school culture, the International Baccalaureate, school accreditation, fiscal sustainability and leadership. He is past president of the Association for the Advancement of International Education (AAIE) and serves as the Board Chair for the Educational Collaborative of International Schools (ECIS). He was the founding editor of International Quarterly, a journal devoted to topics in international education.

Sarah Grace, Associate Director for Teaching and Learning

Sarah Grace joined ISA in 1998 initially as the Assistant Head of Lower School, assuming the role of Head of Lower School in 2007.  She obtained her first degree from the Froebel Institute College of the Roehampton Institute with a Bachelor of Education (Hons). Subsequently she has achieved an Masters of Education (Educational Leadership and Management) from the University of Bath. 

Starting her teaching career in an inner city school in Peckham, London, she taught grades 2-4, holding a post of responsibility for Library and Resources and serving as a School Governor. Moving overseas for an international experience, Sarah joined the Yokohama International School in Japan. She was a homeroom teacher for grades 3 to 6, and taught 8th grade English, EAL and Learning Support. She held additional positions of responsibility as an Extra-Curricular Activities Coordinator, Elementary Coordinator and Assistant Elementary Principal.  

Since arriving at ISA Sarah has served as the PYP Coordinator for two years. She has been actively involved with the IB Primary Years Programme as a workshop leader and school visitor. She enjoys collaborating with the IB on development of the PYP and supporting other schools’ implementation of the programme. She is invited regularly to join school evaluation teams for the IB and the Council of International Schools.

Susan Loban, Head of Lower School

Susan Loban has been a member of the ISA community since 2002, where she began as a grade 5 teacher and Grade-level Coordinator before being appointed as the ISA Lower School Curriculum Coordinator. Since 2010, she has served as the Assistant Head of Lower School, where she has been responsible for the evaluation of teaching and support staff, overseeing all lower school supervision and management of all aspects of the re-accreditation process at ISA for the New England Association of Schools and Colleges (NEASC), The Council of International Schools (CIS) and the International Baccalaureate (IB). In addition to her administrative role, Susan manages the global events, seminars and conferences for the ISA Centre for Development, Learning & Technology. 

Susan has prior experience working in schools in Canada, the UK and Romania, where she worked as a classroom teacher in grades one through ten, as a district-level curriculum consultant for middle schools, demonstration classroom instructor and an IBPYP coordinator. She is a PYP Workshop and Online Course facilitator, a PYP school authorization and accreditation team member for the IB and has served on curriculum writing teams for the IBPYP, including the Learner Profile and Assessment in the PYP.

Susan holds a Bachelor of Education from the University of Calgary with a double major in French as a Second Language and Social Studies. She completed her coursework for her Masters of Education in Curriculum Studies from the University of Toronto and is currently finalising her Masters of Educational Leadership in International Schools from the College of New Jersey Global Programs.

Matt Sipple, Head of Upper School

Originally from Boston, Massachusetts, Matt joined ISA in 2017 after having served in numerous teaching and leadership roles in the United States, Switzerland, Thailand, Saudi Arabia, India and Latvia.

Before moving into school leadership, Matt taught Middle and High School History and Social Studies. He earned a bachelor’s degree in History from the University of Pittsburgh and a Masters of Arts (History) from the University of Pennsylvania before attending Columbia Teacher’s College in New York, where he attended the Klingenstein program and earned a Masters in Educational Leadership.

Carolyn Lacey, Assistant Head of Lower School

Carolyn Lacey joined ISA in 1997 initially as a homeroom teacher and Grade Level Coordinator. Carolyn was subsequently appointed as PYP and Curriculum Coordinator, a position that she held for three years. Since 2015 Carolyn has served as Assistant Head of Lower School, where she holds responsibility for the evaluation of teaching, leading professional development of staff, implementation of curriculum and the pastoral care of the younger students in Lower school.

Carolyn obtained her first degree from The University of Warwick, UK with a Bachelor of Arts (Hons) and subsequently gained Qualified Teacher Status (QTS) from The University of Warwick. Carolyn holds The Certification of International School Leadership (PTC) and Master of Science (Merit) in Educational Leadership from The University of Leicester UK.

Carolyn began her teaching career in England before working in British International and International Schools in Europe and Africa. Carolyn is a highly experienced and deeply committed educator. She is an Early Childhood specialist and has thorough knowledge of developmentally appropriate practice and philosophies, including child development.

Mark Mayer, Assistant Head of Lower School

Originally from Toronto, Ontario, Mark joined the ISA Team in 2017. Mark has worked extensively in IB schools as well as in national school systems in several countries including Australia, Canada, USA, Romania, Poland, Sweden, and Thailand. Mark earned his Masters Degree in Curriculum studies at SUNY, Buffalo State University, his B.Ed. at Monash University in Australia, and his BA in Toronto at York University. Mark is currently completing his Administrator’s Certificate with the Principal Training Centre. In his tenth year of Educational Leadership, Mark also has seven years of experience as an Entrepreneur running his own novelty photo business before becoming a teacher.

Jim Canavan, Assistant Head of Upper School

Jim comes to ISA via a number of international schools. He has worked as an English teacher for students in grades 6 – 12 in the United States, Brazil, Venezuela and Egypt. The administrative leg of his educational journey began in Egypt and continued to Cambodia and Holland and ISA, where he has served as Assistant Head of Upper School for the past 6 years.

Sybille Harth, Assistant Head of Upper School

Sibylle joined ISA as Assistant Head of Upper School in August 2015. She has worked as a curriculum coordinator, with particular focus on the IB Middle Years Programme and the continuum of Middle Years and Diploma Programmes, for six years, both at the United Nations International School of Hanoi (Vietnam) and Skagerak International School (Norway).

After completing a teaching degree at the Freie Universität Berlin, she gained a Postgraduate Certificate in Education from Brunel University (London) and an MA in School Management from the Technical University of Kaiserslautern.

Sibylle is regularly invited to lead school evaluation visits for the IB, facilitates professional development workshops and is a school consultant for the Middle Years Programme.

Administration Contact Information

Directors Office

Dr. Edward E. Greene, ISA Director

Sarah Grace, Associate Director for Teaching and Learning

Lower School Office

Susan Loban, Head of Lower School
Carolyn Lacey, Assistant Head of Lower School
Mark Mayer, Assistant Head of Lower School

Upper School Office

Matt Sipple, Head of Upper School
Jim Canavan, Assistant Head of Upper School
Sybille Harth, Assistant Head of Upper School