Faculty and Staff Directory
Sabrina Anderson, Physical Education Teacher
BS, University of New Hampshire
Crefelder since 2024
Lori Anselm, Sewing Teacher
BFA, Moore College of Art & Design
Crefelder since 2021, Parent of Crefeld Alum ‘13
Ben Arnold, Music Teacher
Berklee College of Music
Philadelphia College of Performing Arts
Crefelder since 2000
Justin Broderick, Math Teacher and Advisor
BA, Lewis University
Crefelder since 2022
Cheryl Capacchione, Business Manager
BS, Arcadia University
Crefelder since 2012
Sierra Christian, Office Manager
BA, Bloomsburg University
Crefelder since 2023
Ryan Coffey Keaton, Assistant Head of School
BA, SUNY Geneseo
MSEd, University of Pennsylvania
Crefelder since 2021
Josh Cole, Director of the Glass Studio & 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) & Advisor
BS, Rice University
BA, Rice University
MEd, Cabrini College
Crefelder since 2014
Laura Craig, Director of Learning Support
BS, Birmingham-Southern College
MA, University of Texas
Crefelder since 2003
Daniel Cunitz, Middle School Science Teacher (7/8 team) & Advisor
BA, Franklin Pierce College
MS, Drexel University
Crefelder since 1995
Noa Eagles, Emotional Support Counselor
BA, Bryn Mawr College
MSW, Bryn Mawr College
Crefelder since 2022
Sarah Franzel, Learning Specialist & Upper School Advisor
BA, University of Michigan
MS, California State University, East Bay
Crefelder since 2008, Parent of Crefeld Alum ‘13
Filip Furmanek, Technology Support Specialist
BA, University of California, Berkeley
Crefelder since 2018
Joan Giannobile, Director of Development & Communications
BA, University of San Francisco
Crefelder since 2010, Parent of Crefeld Alum ‘18
Nicole Greaves, Learning Specialist & Upper School Advisor
BFA, Emerson College
MFA, Columbia University
Ed. Certification, Bryn Mawr College
MEd, Chestnut Hill College
Crefelder since 2006
Michael Herman, Physical Education Teacher
BS, Bloomsburg University
Crefelder since 2016
Ruth Joray, Upper School Learning Support
BFA, Rhode Island School of Design
MS, Chestnut Hill College
Crefelder since 2020
Gena Lopata, Dean of Faculty & Curriculum Coordinator
BA, Clark University
MEd, East Stroudsburg University
Crefelder since 2005
Christina McShine de Jiménez, MEd, CSM, Upper School History Teacher (11/12 team) & Advisor
AA, Palm Beach State Collge
BA, Johnson C. Smith University
MEd, Concordia University
Crefelder since 2023
Krystle Merchant, Middle School History Teacher (7/8 team) & Advisor
BA, Duke University
MA, McGill University
Crefelder since 2023
Toni Mesina, Upper School English Teacher (11/12 team) and Advisor
BA, University of Hawai'i at Mānoa
MA, University of Hawai'i at Mānoa
Crefelder since 2020
Kristy Modarelli, Director of Special Programs & Marketing
BFA, Cleveland Institute of Art
MBA, University of Illinois, Urbana Champaign
Crefelder since 2008
Mary Hope Mulcahy, Middle School English Teacher (7/8 team) & Advisor
BA, University of Nebraska
BS, University of Nebraska
MA, University of Rochester
Crefelder since 2023
Sara Narva, Performance Art Teacher, Sexual Education Teacher, & Advisor/CoDirector of DEI
BA, Haverford College
EdM, Temple University
Crefelder since 2005
Mike Pardee, Upper School English Teacher (9/10 team) & Advisor
AB, Princeton University
MA, Boston University
MA, Columbia University Teachers College
Crefelder since 2022
Courtney Parker, Director of Emotional Support
BMus, The Hartt School, University of Hartford
MMT, Temple University
MA, Goddard College
Crefelder since 2014
Leonor Prince, Math Teacher & Upper School Advisor
BS, Universidad Catolica Andres Bello, Caracas, Venezuela
MBA, St. Joseph’s University
Crefelder since 2014
Lisa Shaffren, CrEF Lab Teacher
BA, Pennsylvania State University
MA, The University of Mississippi
Crefelder since 2012
Dean Simonsen, Math Teacher & Upper School Advisor
BA, Kutztown University
Crefelder since 2018
Collin Smith, Building & Grounds Manager
Crefelder since 2023
Sarah Spector, Upper School Science Teacher (9/10 team) & Advisor
BS, Southern Oregon University University
MAT, Westminster Graduate School of Education
Crefelder since 2019
Joseph Szalwinski, Upper School History Teacher (9/10) & Advisor
BA, Arcadia University
Crefelder since 2021
Troy Thomas, Director of Admissions
BS, Wilmington University
MA, Rosemont College
EdM, Harvard University
Crefelder since 2021
Kasey Thompson, Spanish Teacher
BA, Kalamazoo College
MS, Springfield College
Crefelder since 2023
Nica Waters Fleming, Director of Technology/CoDirector of DEI
BA, Temple University
MS, Philadelphia University
Crefelder since 2010
Aaron Wiener ‘84, Art Teacher & Advisor
BFA, Tyler School of Art, Temple University
Crefelder since 1990, Parent of Crefeld Alum ‘23
Evan-Taylor Willis, Emotional Support Counselor
BA, Chestnut Hill College
MSW, Widener University
MEd, Widener University
Crefelder since 2022
Tori Wrye, Dean of College Counseling & Registrar
BA, Pennsylvania State University
MEd, 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