SAU 21 Leadership Team


Caroline P. Arakelian, Ph.D.

Interim Superintendent

Dr. Arakelian held the position of Director of Special Services with Winnacunnet High School from 2016 to June of 2019 when she transitioned to serve as the Executive Director of Student Services for SAU #21. She has also served as Transition and Out of District Coordinator at Winnacunnet High School, a Research Associate with the Institute on Disability at the University of New Hampshire, and a Special Education teacher at the Robert J. Lister Academy (formerly Portsmouth Alternative Secondary School).  

Caroline has specialized in employment and post-secondary education outcomes for students with disabilities in her research and career within special education. She has presented at the annual Transition Summit hosted by the Institute on Disability and at the Association of University Centers on Disability annual conference in Washington, D.C. in 2017. Caroline is an active member of the New Hampshire Association for Special Education Administrators (NHASEA).

Dr. Arakelian earned her Doctor of Philosophy degree in Education Leadership and Policy at the University of New Hampshire, a Master of Education degree in Special Education, Emotional and Behavioral Disorders at Rivier College, and a Bachelor of Arts in Psychology at Johnson State College.

David T. Hobbs, Ed.D.

Assistant Superintendent for Curriculum, Instruction, and Assessment. 

Dr. Hobbs has served SAU 21 in a variety of roles throughout the last decade. In his tenure, he has served as a classroom teacher, department team leader, intern supervisor, technology integrator and curriculum coordinator. Prior to his work at SAU 21, Dr. Hobbs served as adjunct faculty at UNH as a teacher in residence, where he taught in the UNH Graduate School of Education and supervised field experiences throughout the region. 

In 2011, Dr. Hobbs was named as the recipient of the Christa McAuliffe Sabbatical by the New Hampshire Charitable Foundation. The goal of his project was to promote, share and explore digital literacy in New Hampshire classrooms. He conducted 16 case studies throughout New Hampshire, where he documented experiences, tools and innovative teaching methods. 

David has published scholarly articles around innovation and the use of technology. He has presented at a number of formal and professional workshops throughout New England, and has offered professional development for teachers in the area of technology integration. 

David holds a Bachelor of Arts from Colgate University (2000), a Master of Education degree from the University of Montana (2003), and a Doctor of Education degree from the University of Montana (2005).

Matthew C. Ferreira, M.S.Ed.

Business Administrator

Mr. Ferreira began his work as Business Administrator with School Administrative Unit 21 in September 2016.  He brings 13 years of corporate business experience in the enterprise software / technology media and investment services industries, working at Wellesley Information Services and the Blackstone Group, respectively. 

Mr. Ferreira is a member of the New Hampshire Association of Business Officials (NHASBO), New Hampshire School Administrators Association (NHSAA), and Association of Business Officials International (ASBO). He is the recipient of the 2019 Charles Marston Scholarship, named a 2018 ASBO Emerging School Business Leader, and received the 2018 ASBO International Conference Scholarship awarded by NHASBO.

Matt holds a Master of Education degree in School Business Leadership from Wilkes University, a Bachelor of Science degree in Business Management from Bentley University, and is currently working on a Doctor of Education in Transformative Leadership at the University of New England.

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