Teacher of the Year Award

Through the innovative way that you use Model UN as a teaching tool, you have made a positive and transformative impact on students.

UNAGB is proud to recognize outstanding teachers who are committed to providing students with an exceptional and accessible global education.

Teacher of the Year Criteria:

  • Be an exceptionally skilled and dedicated teacher
  • Work directly with children in as State-approved public, private, or institutional school at the Middle or High school level
  • Have a minimum of 3 years teaching experience
  • Demonstrates the ability to motivate and to inspire students to participate in Model UN
  • Demonstrates expertise in Model UN curriculum and its implementation
  • Investment in the success of the Model UN program in his/her school
  • Continued commitment to participate in Model UN program and conferences

Isaia Tselengidis, also known as Sassa, began teaching Model UN at the Community Academy of Science and Health three years ago. Sassa grew up in Boston and attended the UMass-Boston for both her undergraduate and graduate degrees.

In her opinion, “Model UN offers students the unique opportunity to become culturally respectful and globally responsible individuals. In my opinion, these are some of the greatest lessons we can give to our students; and often, I believe, these lessons are not focused on enough. Students don’t just learn the elements of parliamentary procedures, or how to write a solid position paper from MUN; They learn compassion, service, respect, and how to be open-minded.”


Dave Crompton currently teaches 6th & 7th grade at the Sullivan Middle School’s Goddard Academy in Worcester. A Worcester native, he has earned both his undergraduate and graduate degree from Worcester State University.  A social studies teacher for the last 14 years, he has led a Model UN after-school club for the last five years. In addition, he has brought Model UN simulations into his classroom.

Catherine Lints currently works as the Director of College Access at Excel Academy Charter School Network in East Boston, where she has worked in a number of roles, including math and social studies teacher, and social studies department chair in her 7 year tenure. In addition, she worked a UP Academy Leonard in Lawrence MA for a year where she worked extensively with English Language Learner (ELL) teaching team and Special Education teachers to create an accessible grade-wide Model UN experience




James A. Diskant, Ph.D., has taught history at the John D. O’Bryant School of Mathematics and Science in Roxbury since 2001. He has been the advisor to the Debate and History Club there for the last four years where he works with students to prepare them for Model United Nations conferences. In addition to teaching history and government courses, Dr. Diskant is involved in a number of professional organizations. He is a member of the World History Association’s Executive Council, as well as an editor for World History Connected, an online journal.


Carol Mastromauro has been involved in public education for almost 30 years. She started her career in the social studies department at Medford High and has been teaching at Malden High scince 1999.

“From the first day of our initial silly sim until the present day, I have loved Model UN. It helps spark students involvement into real world situations and fosters the idea of the importance of global citizenship in our students”