Dean of Undergraduate and Graduate Students
John Barker came to Tufts University from the University of Miami in 2012 as the Dean of Undergraduate and Graduate Students. In this newly reconfigured position, Dr. Barker has overall responsibility for enhancing the undergraduate and graduate student experience in the School of Arts and Sciences and strengthening the integration of university-wide undergraduate and graduate academic and co-curricular initiatives.
Prior to his arrival at Tufts, Dean Barker was assistant provost of undergraduate education at the University of Miami in Florida, with the scope of university-wide responsibilities in the areas of undergraduate research, diversity, academic counseling and advocacy, and academic achievement. He was also the founding director of the Office of Academic Enhancement. His overall portfolio included the honors program; multicultural student affairs; programs of academic excellence; and the academic and career advisors in residence, academic fellows, special interest housing, and prestigious awards and scholarships.
In addition, Dean Barker served as a faculty master for one of the University of Miami's residential colleges and as an adjunct faculty member in the university's Department of Educational and Psychological Studies, in Miami's School of Education. A graduate of the State University of New York Oswego where he majored in political science and history, Dean Barker holds a doctorate in higher education from the University of Rochester.
Dean of Academic Affairs for Arts and Sciences
Associate Professor of Philosophy
Bárbara M Brizuela
Dean of Academic Affairs for Arts and Sciences
Associate Professor of Education
Dean Brizuela joined the Tufts faculty in 2001, after completing her
doctorate at Harvard University's Graduate School of Education. She
completed her undergraduate degrees in Argentina and her masters
degree at Tufts University's Department of Education. She was a
school teacher in Argentina before coming to the United States. Her
areas of specialization include mathematics education, early
childhood education, and cognitive development. She is the author of
Mathematical Development in Young Children: Exploring Notations
(2004, Teachers College Press), a co-author of Bringing Out the
Algebraic Character of Arithmetic: From Children’s Ideas to
Classroom Practice (2007, Lawrence Erlbaum and Associates, with A.
Schliemann and D. Carraher), and a co-editor of three volumes. She
has also written numerous articles for some of the leading journals
in the field as well as book chapters about children's mathematics
education. Her scholarship has been published in English, Spanish,
Dean Brizuela has served as director of the STEM Education program and as chair of the Department of Education. She has been a Spencer Foundation research training grantee at Harvard Graduate School of Education, a Fulbright Senior Scholar, and a Schuster Family Faculty Fellow in Arts & Sciences (Tufts University). Her research has been funded by the Spencer Foundation, General Electric Foundation, and the National Science Foundation. At Tufts University, she has received the Teaching and Mentoring Award from the Graduate School of Arts & Sciences.
Director of Communications, School of Arts and Sciences
Dean of Undergraduate Admissions and Enrollment Management
Director of Athletics
Senior Director of Development, School of Arts and Sciences
Executive Administrative Dean for Arts and Sciences, ad interim
Scott Sahagian serves as the Executive Associate Dean for the School
of Engineering and Interim Executive Administrative Dean for Arts
and Sciences. Prior to joining the Arts and Sciences leadership,
Dean Sahagian has been involved in developing all aspects of the
administrative infrastructure for the School of Engineering,
directly supervising the areas of finance, space, information
technology, and personnel. Before Tufts, he was the Chief
Administrative Officer of the Heller School for Social Policy and
Management at Brandeis University. He began at Brandeis as the
Associate Director of the Schneider Institute for Health Policy,
where his responsibilities included the management of the
university's largest research unit. From 1991 to 1995, he was the
Administrative Officer at the Harvard-MIT Division of Health
Sciences and Technology. Dean Sahagian has also worked in numerous
positions in the YMCA, serving as Executive Director in several
communities before working in academia.
He currently serves on several community and religious boards including the Center for Long Term Health and Aging and the Armenian Church at Hye Pointe. He has several published articles in the area of customer service and management. Dean Sahagian holds a B.S. from Salem State College and an M.B.A with a concentration in finance from Suffolk University.
Director of Tisch Library