Marymount’s faculty, staff, and administrators are dynamic, dedicated professionals who model lifelong learning, nurture a growth mindset, and make meaningful connections with students. A 5:1 student-teacher ratio facilitates individual attention and differentiated instruction, ensuring that each student is supported and challenged in her learning.

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  • Katherine Rietberg

    Katherine Rietberg

    English
    Language Arts III/V Teacher
  • Lorraine Riley

    Lorraine Riley

    Head's Office
    Head of School
  • Lillian Ritchie

    Lillian Ritchie

    Creative Technology
    Director of Innovation
  • Chanell Robinson

    Chanell Robinson

    World Languages
    Co-Chair, World Languages; French Teacher
  • Rebekah Roh

    Rebekah Roh

    Learning Resources
    Learning Specialist, IX-XII
  • Esvin Rojas

    Esvin Rojas

    Food Services
    Utility Prep (97th Street)
  • Yoselyn Rojas

    Yoselyn Rojas

    Business Office
    Business Associate; Controller
  • Margaret Romais

    Margaret Romais

    Music
    Religious Studies
    Director of Ministry; LMS Music Teacher
  • Kelly Root

    Kelly Root

    Math
    Math Coordinator, K-XII
  • Riva Rosen

    Riva Rosen

    Learning Resources
    Learning Specialist, K-I
  • Michelle Salese

    Michelle Salese

    Lower Middle School Divisional Office
    Divisional Assistant, Lower Middle School
  • Dena Savarese

    Dena Savarese

    Lower School Homerooms
    Head Teacher, Class IA
  • Christine Schmidt

    Christine Schmidt

    Performing Arts
    Dance Teacher
  • Sophy Schulman

    Sophy Schulman

    English
    English Teacher; Learning Center Support
  • Amilcar Serrano-Vivar

    Amilcar Serrano-Vivar

    Food Services
    Sous Chef & Kitchen Manager
  • Joyce Shafer

    Joyce Shafer

    Lower Middle School Homerooms
    Head Teacher, Class VB
  • Candace Shemmer

    Candace Shemmer

    Learning Resources
    Learning Specialist, VI-VIII
  • Lucy Shen

    Lucy Shen

    English
    English Teacher
  • Alexandra Shiffer

    Alexandra Shiffer

    Math
    Math Teacher
  • Angela Skrivanek

    Angela Skrivanek

    Head's Office
    Administrative Assistant to the Head of School
  • Christopher Smith

    Christopher Smith

    English
    History
    English & History Teacher
  • Kamisha Smith

    Kamisha Smith

    Communications
    Technology Department
    Database Administrator; Multimedia Specialist
  • Michael Smith

    Michael Smith

    Food Services
    Food Service Assistant
  • Judith Solis

    Judith Solis

    Business Office
    Human Resources Manager
  • Matthew Speiser

    Matthew Speiser

    History
    Humanities
    Upper School Divisional Office
    Associate Head of Upper School
  • Katie Sperco

    Katie Sperco

    Lower Middle School Homerooms
    Head Teacher, Class IVC
  • Janine Tardieu

    Janine Tardieu

    Business Office
    Co-Business Manager
  • Macarena Teixeira

    Macarena Teixeira

    World Languages
    Spanish Teacher
  • Alyssa Terry

    Alyssa Terry

    Religious Studies
    Religious Studies, III-V (Maternity Leave Replacement)
  • Clare Timoney

    Clare Timoney

    Facility Rentals
    Pratt Mansions Events Coordinator
  • Ana Tineo

    Ana Tineo

    Facilities
    Facilities Support Staff
  • Katherine Urry

    Katherine Urry

    Lower School Homerooms
    Assistant Teacher, Pre-KB
  • Anne Vallot-Basker

    Anne Vallot-Basker

    Global Programs
    Associate Director of Global Programs
  • Edgardo Vargas

    Edgardo Vargas

    Facilities
    Help Desk Technician
  • Natasha Vhugen

    Natasha Vhugen

    Lower School Homerooms
    Assistant Teacher, Class IA
  • Cynthia Von Arx

    Cynthia Von Arx

    Head's Office
    Executive Assistant to the Head of School
  • Thomas Vorsteg

    Thomas Vorsteg

    World Languages
    Spanish Teacher
  • Selma Vukel

    Selma Vukel

    Business Office
    Business Office Assistant; Receptionist
  • Annie Walsworth

    Annie Walsworth

    Lower School Homerooms
    Head Teacher, KA
  • Eric Walters

    Eric Walters

    Science
    Creative Technology
    Director of STEM Education
  • Liz Warkala

    Liz Warkala

    Athletics
    Physical Education
    Associate Director of Athletics
  • Anthony Wartel

    Anthony Wartel

    Facilities
    Director of Facilities
  • Fiona Williams

    Fiona Williams

    Science
    Science Teacher
  • Samantha t Winokur, PsyD

    Samantha Winokur

    Health and Wellness
    Psychologist, N-V
  • Sarah Winters

    Sarah Winters

    Math
    Math Specialist
  • Joshua Yang

    Joshua Yang

    Learning Resources
    US Coordinator of Learning Services; US Learning Specialist
  • Faith Yusko

    Faith Yusko

    Religious Studies
    Religious Studies Teacher
  • Sophia Zarate

    Sophia Zarate

    Admissions
    Communications
    Special Events; Admissions Associate
  • Yi Zheng

    Yi Zheng

    Business Office
    Director of Strategic Systems and Data Management
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