
Brendan Sullivan
Head of Schoolbsullivan@stmichael.net
Master of Arts: English
Middlebury College
Master of Arts: Education
Loyola University Maryland
Bachelor of Arts
Boston College: English and Philosophy

Matthew Teller Ph.D.
Associate Head of School/ Director of Enrollmentmteller@stmichael.net
PhD: Second Language Acquisition and Teaching
University of Arizona
Master of Arts: Spanish Linguistics
University of Arizona
Bachelor of Science: Psychology
Georgetown University

Marnie Ackerman
Director of Philanthropymackerman@stmichael.net
Bachelor of Arts: Government
University of Texas at Austin

Jennifer Gould
Upper School Math/High School Prep Coordinatorjgould@stmichael.net
Master of Education: Elementary Education
University of California, Los Angeles
Bachelor of Arts: Psychology
University of California, Los Angeles

Kim Greene
Athletic Director / Teacher: P.E., Lower Schoolkgreene@stmichael.net
Bachelor of Science: Interdisciplinary Studies
University of Arizona

Mandy Hart
Lower School Division Director / Teacher: Grade 4mhart@stmichael.net
M.Ed. Educational Leadership
Northern Arizona University
Bachelor of Arts: Elementary Education
University of Arizona
Arizona Teaching Certificate: Elementary, K-8
Early Childhood Education (ECE) Endorsement, Birth-Age 8
Structured English Immersion (SEI) Endorsement, K-12

Alex Hawes
Upper School Division Directorahawes@stmichael.net
Master of Education: Elementary Education
University of Arizona
Master of Arts: Non-Fiction/Science Writing
Johns Hopkins University
Bachelor of Arts: Anthropology
Yale University

Tracy Holsinger
Director of Communications/Faculty Supporttholsinger@stmichael.net
Bachelor of Science: Business
University of Phoenix

Charmaine Lang
Director of Finances/Operationsclang@stmichael.net
Bachelor of Science: Business Administration (major: Accounting)
University of Arizona, Eller College of Management

Clare Yarborough
Chaplain / Teacher: Upper School Religioncyarborough@stmichael.net
Master of Divinity: Church History
Episcopal Divinity School, Cambridge, MA
PhD: Anthropology
University of Arizona
Bachelor of Arts: Sociology and Anthropology
Oberlin College, Oberlin, OH
Ordained Priest