School Leadership

Salvador Uy, Interim Executive Director

Salvador Uy is a proud 1983 graduate of UNIS, and the child of UN parents. Before returning to UNIS as Assistant Executive Director in 2012, Sal ran operations and programs for two large New York social service organizations focusing on justice and community.

Although trained as an attorney, Sal has spent most of his career prior to UNIS in local government agencies and non-profit organizations. In the late 1990's he was an Assistant Commissioner at the New York Department of Homeless Services, where he managed shelters that housed 3,000 single men and women every night. In the non-profit arena, he also managed family shelter facilities for families fleeing domestic violence and in his last position, as Associate Director for Operations at the Goddard Riverside Community Center, managed housing for 600 single men and women, as well as the infrastructure and operations for the balance of a $35 million multiservice organization. Sal holds an A.B. from Princeton University and a J.D. from Columbia University School of Law.

Tutorial House Principal

Antoine Delaitre

Antoine Delaitre’s personal life, professional experience, and wide range of passions have imbued him with a strong international mindset. HIs lifelong curiosity leads him to travel often to the far reaches of our world. He has lived in Algeria, Greece, France, Gabon, the United States of America and speaks five languages.

Prior to joining UNIS in 2015, he held a variety of leadership positions during his 18 years at the French American International School in San Francisco including head of department, IB and travel program coordinator, high school assistant principal, and middle school principal.

As a high school principal, Antoine encourages his colleagues to take risks, apply best practices, and keep their love of teaching alive. As a teacher, Antoine believes in challenging preconceived ideas and in fostering a spirit of discovery and adventure in students. He strives to provide students with opportunities for cross cultural communications and life-changing experiences,

Antoine holds a Master’s Degree, a Master of Advanced Studies, and the Agrégation in history from the University of Paris.

Junior School Principal

Pascal Vallet

Pascal comes to us from the Lycee Francais in Seoul, Korea, where he was both the Principal of a large Elementary Section and the Regional Director of Academic Technology and Teacher Training for the French Network of Schools in the Asia Pacific Region. Previously Pascal was Head of an International French school in Bali, Indonesia, a technology coordinator in the US, and a teacher in “at risk” schools in France. Pascal speaks French, English, Korean and has a strong international track record for innovation, team-building, and collaboration.

Queens Principal

Barbara Kennedy

Barbara Kennedy joined the Queens campus over 35 years ago. She initially served as the first learning support teacher at the campus, and eventually assumed both learning support and school counseling positions at the campus. She has also served as interim principal and, for the last three years, as assistant principal for the Queens campus. She overseas all testing done at Queens, including admissions testing, which has given her an incredible opportunity: to know every child who comes to school at Queens.

Before joining UNIS, Barbara was a middle school math and homeroom teacher at St. Stanislaus Kostka, in Maspeth, NY. Barbara received degrees in Psychology and Education from Queens College. She has a Master’s Degree in Special Education and in School Counseling, both from Hofstra University and has New York State certification in both those areas. In addition she has done graduate work in Educational Administration at Long Island University’s C.W. Post Campus.

Barbara’s primary areas of interest are curriculum development and assessment and she has served on numerous curriculum committees at UNIS, including as co-chair of the Curriculum Sub-committee during UNIS’ recent CIS accreditation. Barbara has also attended the Principals’ Training Center, as well as done training for the Common Ground Collaborative (CGC).

In addition to her passion for curriculum development, Barbara enjoys spending time with her husband and three grown daughters.

Chief Financial Officer

Stephen Roache

Stephen Roache has over thirty years of experience in finance. Before coming to UNIS in 2005, he was the Chief Financial Officer for Convent of the Sacred Heart School, the American Folk Art Museum, and the Harlem School of the Arts. Previously, he held senior financial positions at the Port Authority of New York and New Jersey, HBO, and CBS.

From 2003-2008 Stephen was Vice President, Treasurer of the Board of Directors, Today’s Students Tomorrow’s Teachers in Elmsford, NY. He has a B.A in Political Science from City College of New York and an MBA in Finance from New York University Stern School of Business.

Director of Admissions

John Nichols

John Nichols grew up in the United States and England, and received his A.B at Harvard, where he majored in English Literature. After law school at Boston University, he worked for a law firm in Washington, D.C., and then began teaching, first at Harvard, then at Eton College in England. For fourteen years, he was the Dean of Students at Trinity School in New York, and then worked for the president of New York University, with the goal of starting a tuition-free private school in New York. He was then Dean of Admissions and Academic Dean at the Baltimore School for the Arts, a pre-professional arts high school. He became Director of Admissions at UNIS in May 2012.

His favorite activities are traveling, going to the theater, and playing squash (even though his game hasn't improved at all in many years!).

Executive Assistant

Susan Enzer

Susan Enzer is the Executive Assistant to the school’s Executive Director and a dedicated member of the UNIS family from the time her sons attended Junior and Middle school from 1985 until 1996. During those years, Susan served as Parents Association President as well as a parent-elected Trustee on the UNIS Board. She joined the Director’s office in 2010 having spent most of her career as a Marketing Communications Director in financial services.

Susan is an officer of a local political club for her assembly district, a member of the New York County Committee and a delegate to the Judicial Nominating Committee. Susan has spent time as a volunteer for Juvenile Diabetes Research Foundation in New York City and served on the board of Art OMI in Ghent, NY. She is founder of a book club that meets monthly since 2005 for discussion and dinner. Susan also enjoys theatre, ballet and the feast that is New York.

Susan holds a B.A. in Literature from Hofstra University and has done graduate studies in suburban planning and marketing. She is also a certified paralegal.

Director, Athletics and Physical Education

Duncan Davison

Duncan has worked as a teacher, coach and educational leader for the past 25 years in a variety of educational and sporting organizations. In his current role as the Director of Athletics & Sport and Physical Education at the United Nations International school, he is responsible for the leadership of 36 sports teams and over 40 coaches across both the Manhattan and Queens campuses and for the leadership of the PK-12 P.E curriculum. Duncan earned his Masters degree from Sydney University and has worked in leadership roles with education, corporate and non-profit sectors in Australia and the US.

Director, Academic Research and Innovation

Jeremy Birk

Jeremy is an experienced middle and high school teacher, who now shares his expertise across the school as Director of Academic Research and Innovation. He contributes to the planning of improvement efforts to maximize mission impact, partners with teachers in the development of student-centered curriculum and guides professional learning to build teacher capacity in practices supported by the best scientific research on how learning takes places.

Prior to his current role, Jeremy served as the High School Assistant Principal at UNIS in addition to working as a teacher, administrator and consultant in public and private schools and varied programs in the United States, Spain, Switzerland, Kenya, Rwanda and Colombia.

His firm belief is that every student should love learning, and that it is the responsibility of schools to relentlessly seek to engage students in their learning. Schools must embrace a new paradigm that encompasses planning and design for emerging technologies, prioritizes personalization and real-world experimentation, and promotes passion for learning throughout life so that student can adjust in an ever-changing future, and, most importantly live with purpose.

Jeremy holds a M.Ed. in Educational Leadership from the Klingenstein Center, Columbia University (New York); M.A in Curriculum and Instruction from Buffalo State College; and B.A. in History and English from the University of Michigan.