School Leadership

  • lower school
  • middle school
  • upper school

NSU University School’s administration is comprised of dedicated professionals with years of leadership experience. Their innovation, expertise, and dedication to your children and our school help make NSU University School one of the leading college preparatory schools in South Florida.


William Kopas, Ed.D.
Head of School

William Kopas, Ed.D., is in his third year as Head of School at NSU University School after serving five years as Upper School Director. Before coming to NSU University School, Dr. Kopas was principal at Canisius High School in Buffalo, New York. He also served in a variety of administrative capacities including assistant principal, dean of students, and summer school director for 16 years at Brophy Prep in Phoenix, Arizona. Dr. Kopas earned his undergraduate degree from the University of Michigan, where he was a member of four Big Ten Championship swim teams, an individual Big Ten Champion, and a Big Ten Scholar athlete. He has a Masters from Northern Arizona University and received his doctorate in education from Nova Southeastern University in 2015.


Robyn Kaiyal, Ph.D.
Associate Head of Academic Affairs

Associate Head of Academic Affairs, Robyn Kaiyal, Ph.D., joined NSU University School in 2005 as a Middle School English, history, and drama teacher. In 2008, she moved to the Upper School where she taught history and advanced seminar courses. Just two years later, she became Associate Director of Academic Affairs in the Upper School where she oversaw the design, development, and implementation of all instructional programming and staff development. Coming full circle, Dr. Kaiyal returned to the Middle School in 2015 as the Middle School Director where she has inspired faculty and students to strive for academic excellence through innovative, personalized learning experiences. In 2019, she was appointed as Associate Head of Academic Affairs and looks forward to the opportunities that await her in this new role at NSU University School.

Giovanna Stincer, M.Ed., CFRE
Associate Head of External Relations

Giovanna Stincer, M.Ed., has held the position of Associate Head of External Relations for the past six years. Ms. Stincer oversees the Business Office, Admissions and Marketing Department, Summer and Extended Programs, as well as the Parent and Alumni Relations department. She has been with NSU University School since 2000, at which time she began her career as the Director of Development. Shortly after, she was responsible for overseeing the department of advancement, which encompassed development, alumni and parent relations, marketing, publications, and public relations. Prior to coming to NSU University School, Ms. Stincer was assistant vice president of university advancement at Florida International University.


Lorraine Breffni, Ed.D.
Preschool Executive Director

Lorraine Breffni, Ed.D., is the Executive Director of NSU University School's Preschool. Since joining the NSU community in 2003, Lorraine has served as an instructor/mentor helping under-resourced early childhood programs enhance educational practice for children and families; developed and taught a diverse range of undergraduate and post-graduate academic courses; conducted applied research; and managed numerous grant-funded projects. She has also published extensively, including journal articles, peer-reviewed research studies, and academic textbooks. In her current role, Lorraine manages the daily operation of educational programs at the Preschool, serving NSU’s youngest sharks. She continues to advocate for the needs of young children and their families by serving on national and local boards.


Donna Tobey, M.S., Ed.S.
Lower School Director

Donna Tobey, M.S., Ed.S., joins us from Palm Beach Day Academy where she served as the Head of the Lower School for 12 years. While at Palm Beach Day Academy, she implemented ideas from Harvard’s Project Zero to design a “Culture of Thinking.” She was also able to build nationally recognized partnerships with museums, authors, and other educational programs that created innovative opportunities for all students. Ms. Tobey has also served as a principal and teacher at the Gulliver Schools in Coral Gables, the Vice President of the Florida Kindergarten Council, and as a leader in the Florida Council of Independent Schools. She has been recognized and done presentations on elementary education at many national conferences. Ms. Tobey is a progressive educator who is well-versed in the latest educational trends.


Lisa Chancey, M.S.
Middle School Director

Lisa Chancey, M.S., joined the NSU University School community as a parent in 1999 before becoming an active member of the faculty in 2005. Having previously taught English, science, and computer programming in Middle School in Broward County, Mrs. Chancey first began teaching at USchool in the Learning and Research Academy, now known as the Bridges Program. There, she taught second through fourth grade and worked as Team Leader. In 2012, she became an Associate Director in the Lower School. Returning to her Middle School roots in 2017, Mrs. Chancey became the Associate Director in charge of Student Life, Student Academic Support, and the English department. She worked with the Administrative team on Curriculum and Instruction as well as Advisory and Counseling. Mrs. Chancey became Director of the Middle School in 2019 where she will continue to act as a catalyst for change and develop NSU University School’s progressive learning environment.


Jaimie Crawford, M.Ed.
Upper School Director

Jaimie Crawford, M.Ed., has been at NSU University School for the past nine years and has served as English Department Chair, Associate Director of Academic Affairs, Interim Upper School Director, and Director of Student Academic Services. Prior to her time at NSU University School, she has served as an English teacher and curriculum designer at Berkeley Preparatory School in Tampa, Florida; Pine Crest School, in Fort Lauderdale, Florida; and Windsor High School in Windsor, California. Ms. Crawford holds a Master’s Degree in Education and Counseling and a Masters in Arts in Literature, both from Florida Atlantic University. She has worked extensively with peer tutoring and writing centers and served leadership roles in the International Writing Center Association and the Southeastern Writing Center Association. Her expertise with curriculum, exceptional student education, academic leadership, technology integration, and experiential education will continue to be a tremendous asset to our entire school community.

Head of School's Board of Advisers

Scott Weiselberg, Chair
Jenea Reed, Vice Chair
Emiliano Abramzon
Melanie Antevy
Ricky Arias
Susie Bond

Rebecca Bratter
Lauren Geduld
Randy Katz
Niqui Kiffin
Matt Kuttler
Jason Liberty

Richard Quadracci
Brett Rose
Daryl Szapiro
Yin Tea
Fabiola Valle