Applications for the 2027-28 School Year Open September 1

 

 

Board of Trustees

Gulliver Prep’s Board of Trustees is a group of individuals who volunteer their time to offer their unique talents and experiences to ensure the school’s success. The board has primary responsibility for Gulliver Prep’s long-term strategic planning, for advancing its mission, and for carrying out its fiduciary responsibilities.


  • Cassey Plantada Morales P ‘27 ‘29, Chair
  • Lee S. Millstein P ‘27 ‘29 ‘37 ‘37, Vice Chair
  • Guilherme Valle P ‘28 ‘30, Treasurer
  • Fabio Ribeiro P ‘27 ‘28, Secretary
  • Anant Bhalla P ‘34 ‘36
  • Gavin Beekman P ‘31 ‘35
  • Scott Davidson ‘86 P ‘20 ‘26
  • Christopher Drew P ‘31
  • Benjamin Gettler P ‘25 ‘27 ‘34
  • Eion Hu P ‘30 ‘30
  • Philip Lee P ‘34
  • Donald MacKenzie P ‘29 ‘31
  • Ann Olazabal P ‘21 ‘23
  • Sergio Rhein Schirato P ‘28 ‘32
  • Kris Siemionow P ‘30 ‘33
  • Vincent Signorello P ‘21
  • Michalis Stavrinides P ‘21 ‘22 ‘24
  • John C. Sumberg
  • Jocelyn Woolworth P ‘19
  • Leila Zivkovic P ‘28 ‘29

Senior Leadership


Simon Hess

President

Joined Gulliver Prep in 2024. M.B.A., Northwestern University; M.A., Planning and Social Policy, Harvard University; B.A., College of the Holy Cross


Dr. Tom Milaschewski

Head of School

Joined Gulliver Prep in 2026. Ed.D., Educational Leadership, Harvard University; Ed.M., School Leadership, Harvard University; Ed.M., Teaching and Curriculum, Boston University; B.A.; Spanish and International Studies, Colby College

Shivani Joshi

Shivani Joshi

Chief Advancement Officer

Joined Gulliver Prep in 2024.
B.B.A. Marketing, University of Miami

Aime Martinez

Aime Martinez

Chief Financial & Operations Officer

Joined Gulliver Prep in 2025.
M.A.C.C. Accounting, Florida International University; B.A.C.C. Accounting, Florida International University; C.P.A.

Michelle Seid

Michele Seid

Chief People Officer

Joined Gulliver Prep in 2019. B.S., Business Management and Communications, Adelphi University

Principals

Rachel Griffin

Rachel Griffin

Primary & Lower School Principal

Joined Gulliver Prep in 2017. M.S., Early Childhood and Elementary Education, Bank Street College of Education; M.A., Private School Leadership, Columbia University Teachers College; B.A., French, College of the Holy Cross

Elizabeth Scott

Elizabeth M. Scott

Middle School Principal

Joined Gulliver Prep in 2016. M.S., Private School Leadership, Columbia University Teachers College; B.A., History, Dartmouth College

Michelle Diaz

Upper School Principal

Joined Gulliver Prep in 2008. Ed.M., Education, Harvard University; B.A., Astrogeophysics, Colgate University

Administration

Maegan Azpiazu

Maegan Azpiazu

Director of Brand Marketing & Creative Communications

Joined Gulliver Prep in 2016. M.S., Recreation and Sport Management, Florida International University; B.A., Communications/Journalism, The Pennsylvania State University

Bernadette Condesso

Bernadette Condesso

Upper School Director of School & College Counseling

Joined Gulliver Prep in 2023. M.A.T, Secondary Education, Social Studies, SUNY New Paltz; M.A., Near Eastern Studies, New York University; B.A., History, St. Peter’s College

Elena Castellanos

Elen Castellanos

Director of Enrollment Management

Joined Gulliver Prep in 2008. M.S., Educational Leadership, Nova Southeastern University; B.A., Elementary Education, Florida International University

Don Lawrence

Don Lawrence

Director of Belonging & Community

Joined Gulliver Prep in 2021. M.Ed. Student Affairs, Azusa Pacific University; B.A., Bible, Houghton College

Michelle Nieto

Michelle Nieto

Director of Educational Technology & Information Services

Joined Gulliver Prep in 2008. B.S., Information Technology, Barry University; Minor, Business Administration

Vivian Pacheco

Director of Operations & Risk Management

Joined Gulliver Prep in 2012. M. Ed. Private School Leadership, Barry University; B.A. Mathematics, University of Miami

Dr. Ana Pazos

Dr. Ana M. Pazos

Director of Curriculum Assessment & Support Services

Joined Gulliver Prep in 2009. Ph.D., Special Education, Kent State University; M.S.Ed., Special Education, University of Miami; B.A., Communications, Boston College

Alejandro Rodriguez

Alejandro Rodriguez

Chief Technology Officer

Joined Gulliver Prep in 2018. B.A., Criminology, University of Miami

Melissa Sullivan

Melissa Sullivan

Director of Community & Student Life

Joined Gulliver Prep in 2002. M.S., Educational Leadership, Nova Southeastern University; B.S., Health Science, University of Massachusetts

Andre Torres

Andre Torres

Director of Athletics

Joined Gulliver Prep in 2022. B.S. in Business Administration, Nova Southeastern University; Certified Athletic Administrator (CAA)

Frank Steel

Head of School Emeritus

Joined Gulliver Prep in 2014. M.A., History, University of Pennsylvania; B.A., American Studies, Yale University

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