Our Faculty & Staff
Curiosity is in the air.
Through small classes guided by expert teachers, our faculty support every student to be the best versions of themselves. Our classrooms are places where good questions are more treasured than good answers, and the authentic learning our students experience is both inspiring and transformative.
Looking to contact an individual? You may find the Campus Directory quicker.
Click an individual's name for more information.
Ms. Kaitlin Thursby, RN
School Nurse
B.A., Arizona State University, Educational Studies
B.S., Grand Canyon University, Nursing
B.S., Grand Canyon University, Nursing
Ms. Thursby joined PCDS in 2022.
Ms. Teeraya Tomlin
Lower School Second Grade
B.A., Silapakorn University, Archaeology
M.A., Bangkok University, Communications
M.A.I.A., Ohio University, International Studies
M.A., Ohio University, Telecommunications
M.A., Bangkok University, Communications
M.A.I.A., Ohio University, International Studies
M.A., Ohio University, Telecommunications
Ms. Tomlin joined PCDS in 2004.
Ms. Camelia Tumminello
Upper School Spanish
B.A., Yale University, French Literature
M.S., Yale University, French Literature
M.S., Yale University, French Literature
Ms. Tumminello joined PCDS in 2020.
Dr. Sarah Vap
Upper School English
B.A., Brown University
M.F.A., Arizona State University
Ph.D., University of Southern California
M.F.A., Arizona State University
Ph.D., University of Southern California
Dr. Vap joined PCDS in 2018.
Mrs. Sarah Vicuña
Lower School Librarian
B.A., Western Washington University
M.I.L.S., San Jose State University
M.I.L.S., San Jose State University
Mrs. Vicuña joined PCDS in 2019.
Mr. Jim Waller
Middle School Mathematics
B.Ed., Arizona State University, Secondary Education, History
M.Ed., Arizona State University, Higher and Postsecondary Education
M.Ed., Arizona State University, Higher and Postsecondary Education
Mr. Waller joined PCDS in 2013.
Ms. Kim Wass
Lower School Learning Specialist
B.S., Iowa State University, Elementary Education
Ms. Wass joined PCDS in 2016.
Ms. Maddie Williams
Lower School First Grade
B.S., Arizona State University, Educational Studies
M.Ed., Northern Arizona University, Early Childhood Education
M.Ed., Northern Arizona University, Early Childhood Education
Ms. Williams joined PCDS in 2016.
Ms. Molly Williams
Upper School Counselor, Director of Project Excellence
B.S.W., Concordia College, Social Work
M.S.W., Arizona State University, Social Work
M.S.W., Arizona State University, Social Work
Ms. Williams joined PCDS in 2007.
Ms. Joanna Wisniewska
Lower School Third Grade
B.A., Arizona State University, Education - Early Childhood Teaching and Leadership
M.Ed., Northern Arizona University - Bilingual and Multicultural Education
M.Ed., Northern Arizona University - Bilingual and Multicultural Education
Ms. Wisniewska joined PCDS in 2016.
Mr. Stefan Youngs
I.T. Support Specialist
B.S., University of Arizona, Psychology (Neural Sciences)
Mr. Youngs joined PCDS in 2012.