Jeannine Alvaré, Director of Emotional Support
BA, Sarah Lawrence College
MSSW, University of Texas, Austin
Crefelder since 2016

Eli Anselm, Assistant Teacher/Building Substitute
BA, The New School
Crefelder since 2018

Ben Arnold, Music Teacher
Berklee College of Music
Philadelphia College of Performing Arts
Crefelder since 2000

Cheryl Capacchione, Business Manager
BS, Arcadia University
Crefelder since 2012

Darla Clark-Martin, Office Assistant
BS anticipated 2020, Chestnut Hill College
Crefelder since 2017

Josh Cole, Director of the Glass Studio and Art Teacher
BFA, Cleveland Institute of Art
MFA, Tyler School of Art, Temple University
Crefelder since 2008

Rachel Combs, Upper School Science Teacher (11/12 team) and Advisor
BS, Rice University
BA, Rice University
ME, Cabrini College
Crefelder since 2014

Patsy Cook Graber, Spanish Teacher
BA, Washington University in St. Louis
MEd, Chestnut Hill College
Crefelder since 2018

Laura Craig, Director of Learning Support
BS, Birmingham-Southern College
MA, University of Texas
Crefelder since 2003

Ann Croxson, Interim Dean of Faculty
BA, Hollins University
MA, Indiana University, Bloomington
MEd, Arcadia University
Crefelder since 2001

Daniel Cunitz, Middle School Teacher and Advisor
BA, Franklin Pierce College
MS, Drexel University
Crefelder since 1995

Stacey Cunitz, CEP, Director of College Counseling
BA, Barnard College
MA, New York University
Crefelder since 1995

Rebecca Dwight, Office Manager
BS, The State University of New York, Buffalo State
Crefelder since 2018

Nica Fleming, Director of Technology and Advisor
BA, Temple University
MS, Philadelphia University
Crefelder since 2010

Sarah Franzel, Learning Specialist and Advisor
BA, University of Michigan
MS, California State University, East Bay
Crefelder since 2008

Filip Furmanek, Coding Teacher
BA, University of California, Berkeley
Crefelder since 2018

Mollie Gambone, Interim Dean of Students
BA, Shippensburg University
MS, SUNY Buffalo
PhD, Drexel University
Crefelder since 2017 

Joan Giannobile, Director of Development
BA, University of San Francisco
Crefelder since 2010

Nicole Greaves, Middle School English Teacher and Advisor
BFA, Emerson College
MFA, Columbia University
Ed. Certification, Bryn Mawr College
Crefelder since 2006

Michael Herman, Physical Education
BS, Bloomsburg University
Crefelder since 2016

Zachary Holztman-Constan, Emotional Support Counselor
BA, Bennington College
MSW, University of Pennsylvania
Crefelder since 2016

Crystal Jones, Upper School English Teacher (11/12 team) and Advisor
BA, Lincoln University
MEd, University of Pennsylvania
Crefelder since 2017

Katie KinKade, Middle School History Teacher and Advisor
BA, Muhlenberg College
MEd, Moravian College
Crefelder since 2018

Carol Lastowka, Spanish Teacher
BA, Penn State University
MA, University of Arizona
Crefelder since 2018

Frank Longo, Director of Maintenance
Crefelder since 1999

Gena Lopata, Upper School English Teacher (9/10 team) and Advisor
BA, Clark University
MEd, East Stroudsburg University
Crefelder since 2005

Kristy Modarelli, Director of Special Programs and Marketing
BFA, Cleveland Institute of Art
Crefelder since 2015

Sara Narva, Performance Art Teacher and Advisor
BA, Haverford College
EdM, Temple University
Crefelder since 2005

Eric Neibauer, Upper School History Teacher (11/12 team) and Advisor
BA, Warren Wilson College
MEd, Arcadia University
Crefelder since 1999

Courtney Parker, Emotional Support Counselor
BMus, The Hartt School, University of Hartford
MMT, Temple University
MA, Goddard College
Crefelder since 2014

Leonor Prince, Math Teacher and Upper School Advisor
BS, Universidad Catolica Andres Bello, Caracas, Venezuela
MBA, St. Joseph’s University
Crefelder since 2014

Jiayu (Linda) Qian, Math Teacher
BS, University of Massachusetts, Amherst
MS, University of Pennsylvania
Crefelder since 2018

Didi Scott, Director of Admissions
BBA, Temple University
MEd, Temple University
Crefelder since 2016

Lisa Shaffren, Upper School Science Teacher (9/10 team) and Advisor
BS, Pennsylvania State University
MA, The University of Mississippi
Crefelder since 2012

Dean Simonsen, Math Teacher
BA, Kutztown University
Crefelder since 2018

Lisa Spilner, Upper School History Teacher (9/10 team) and Advisor
BS, East Stroudsburg University
MEd, Moravian College
Crefelder since 2011

Aaron Wiener, Director of the Arts Department, Art Teacher and Advisor
BFA, Tyler School of Art, Temple University
Crefelder since 1990

Hoagy Wing, Music Teacher
BA, Gettysburg College
Crefelder since 2002

Tori Wrye, Learning Specialist and Upper School Advisor
BA, Pennsylvania State University
ME, Cabrini College
Crefelder since 2010

George Zeleznik, EdD, Head of School
BS, Indiana University of Pennsylvania
MA, Gratz College
EdD, Wilmington University
Crefelder since 1999