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Leadership at Williams

Leading the Way

Williams administrators guide both the daily life and long-term direction of the School. Grounded in our mission, strategic vision, and core values of Scholarship, Character, and Community, they work to advance the Williams experience and serve the needs of students, families, alumni, and the broader School community.

Administration

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Mark Fader

Head of School

Sharon Gaudreau

Assistant Head of School for Strategic Enrollment Management

Freda Gimpel

Chief Financial Officer

Dana Clark

Director of College Counseling

Heather DeLaurentis

Athletic Director

Brian Mezzi

Director of Development & Alumni Engagement

Joe Cote

Director of Middle School Teaching & Learning

Chelsea Rallis

Director of Upper School Teaching & Learning

A Generous, Aspirational Board of Trustees

Working in partnership with School leadership, the Board of Trustees helps shape Williams’ strategic direction and ensures the resources and opportunities needed to advance the School’s mission. Trustees bring a range of perspectives and experience as parents, alumni, and leaders from the broader educational and professional community. Together, they support the School’s commitment to teaching, learning, scholarship, service, and creativity while remaining responsive to the evolving needs of students, faculty, staff, families, and alumni.

2026–2027 Board of Trustees

Executive Committee

Trustees

Dwayne Xenelis P ’16, ’18, ’23

President

Kelly Simpson Angelini P ’22

Andrew McKillop P ’23, ’25, ’28

Bobby Kaplan P ’21, ’23

Vice-President

Jessica Biber ’05

Alumni Board President

Adam Milne ’92

Jared Klee ’09

Treasurer

Rodney Butler P ’22, ’23

Ben Newton P ’27

Eric Sabetta P ’21

Secretary

Brad Dolan P ’28

Desiree Pearson P ’26, ’31

Parents Association President

Jon Marston ’97

Chair – Committee on Trustees

Susan Dowling P ’23

Alex Pesarik P ’30

Brian Bonner ’19, ’22

Immediate Past President

Mark Fader P ’15, ’21, ’23

Head of School

Tyler Potts P ’18, ’22, ’24

 

Mike Gallagher P ’23, ’25

Clint Reid P ’31

 

Matt Gardzina

Colleen Reardon Shay ’93, P ’25, ’27

 

Bruce Harvey P ’24, ’27

Lindsey Rotolo P ’27

 

Mary Ellen Jukoski

Amy Van Der Velde ’85

 

Jennifer McCann P ’25

Rebecca Wright ’87