Background: forty years in both US and international independent schools. In June 2017 she concluded ten years at the headship of The American School in London (preK-12 school, 1350 students, more than 60 nationalities, 30 languages). Prior to ASL, Coreen was Head of School at The Hamlin School (K-8 girls school, 400 girls, San Francisco), also for ten years. Coreen served The Branson School (9-12 college-prep, Ross, California) as an English teacher, college counselor, Dean of Girls, Assistant Head, and interim Head of School. And before that, she taught High School English at University Liggett School (preK-12) in Grosse Pointe, Michigan.

From 1991-95, Coreen spearheaded the establishing of the west coast office of the recruitment firm, Independent Educational Services, then based in Princeton, New Jersey, and the historical partner of RG175.

In her time with IES, Coreen visited over 120 schools in the western US and successfully placed hundreds of middle leaders and teaching positions west of the Mississippi. She was also involved in head of school searches, both elementary and secondary.

In schools, Coreen developed experience in revitalizing mission and vision, establishing strategic priorities, and invigorating admissions and communications. She also implemented initiatives in curriculum alignment, STEM programs, cultural competency, financial aid, and service learning. She led community-building efforts and successful capital campaigns for facilities and endowment.

A graduate of Stanford University, B.A., M.A., Coreen has served on the boards of School Year Abroad, Head Royce School, and Marin Primary and Middle School, among others. She was the founding board chair for the Bay Area Teacher Development Collaborative from 2002-2007. Coreen is a member of The Headmasters Association and Country Day School Headmasters and has served on the boards of two international organizations: the Academy for International School Heads and the Educational Collaborative for International Schools.