Our Team

The GSAS Dean's Office interacts with all administrative, academic, and co-curricular units that interact with our graduate students. We are committed to creating the best possible learning environment for our students.

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Dean Barbara Brizuela

Bárbara M. Brizuela

Dean, Graduate School of Arts and Sciences
Dean of Academic Affairs, School of Arts and Sciences
Professor of Education


As Dean of the Graduate School of Arts and Sciences, Bárbara supports all GSAS programs and serves as the liaison between students, faculty, and administration on all aspects of graduate education within the school. This includes key initiatives, such as strengthening the quality and diversity of the graduate student body and integrating career and professional development training into our students’ education. She began her career at Tufts in 2001 in the Department of Education.

Contact Dean Brizuela

Dean Brizuela's Tufts Faculty Profile

Ashon Bradford

Ashon Bradford

Assistant Dean of Diversity & Inclusion, Graduate School of Arts and Sciences

As the Assistant Dean of Diversity & Inclusion, Ashon Bradford provides leadership and vision for diversity, equity, inclusion, and justice priorities, activities, and initiatives at the graduate school including overseeing our pledge to become an anti-racist school. Working closely with students, faculty, alumni, and admissions and administrative staff, Dean Bradford develops and leads programs, events, and initiatives that increase graduate student diversity and enhance inclusion and equity.

Contact Dean Bradford

Angela Foss

Angela Foss

Director of Operations

Angela Foss manages and oversees the general operations of the Graduate School of Arts and Sciences. In consultation with the Dean and Associate Deans, she is responsible for setting the strategy, assessment plan, and implementation of the GSAS student facing Professional Development program. Additionally, she oversees the coordination of graduate event planning (Matriculation, Hooding, Academic Awards.)

Contact Angela

Dean Sarah Hershel

Sarah Herchel

Associate Dean, Graduate School of Arts and Sciences

As Associate Dean of the Graduate School of Arts and Sciences, Sarah Herchel works to foster excellence, inclusion, and innovation at the Graduate School of Arts and Sciences. As a member of the strategic leadership team, she partners with faculty to create training and development opportunities, identifies areas for new academic programs, and is the liaison for the School’s accreditation efforts.

Contact Dean Herchel

Maddie Key

Maddie Key

Program Manager, Interdisciplinary Programs

Maddie manages some of the interdisciplinary programs in GSAS including the Diversity, Equity, Inclusion, and Justice Leadership programs and the Interdisciplinary Doctorate program. She also supports part-time and certificate students and coordinates the incoming student orientations for fall and spring.

Contact Maddie

Maura McDonald

Maura McDonald

Program Manager, Interdisciplinary Studies

Maura manages some of the interdisciplinary programs within GSAS including the Data Analytics, Museum Studies, and Anti-Racist Curatorial Practice programs. 

Contact Maura

Gabrielle Otto

Gabrielle Otto

Senior Communications Specialist

Gabrielle leads communications efforts for GSAS managing the web presence, social media, and editorial. She also sends out the GSAS Update with weekly events and opportunities for students.

Contact Gabrielle

Submit Content to the GSAS Update


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Rebecca Petersen

Director of Program Strategy, Development, and Delivery

Rebecca works as part of the GSAS leadership team, closely collaborating with departments on new program ideation as well as supporting departments who are interested in making adjustments to an existing program, whether that means adding a new program track or exploring opportunities to offer hybrid and online formats. Rebecca also coordinates external partnership development, and works with industry on professional track programs.

Contact Rebecca

Felicia Przybyszewski

Felicia Przybyszewski

Admissions and Financial Aid Coordinator 

Felicia provides support in designing, developing, and implementing financial aid and admissions procedures in the GSAS Dean's Office. 

Contact Felicia



Benjamin Quinn

Administrative Coordinator

Benjamin Quinn is responsible for the administrative support and implementation of the processes and graduate school programming run through the Office of the Dean Graduate School of Arts and Sciences (GSAS) including communicating with academic administrative leaders, faculty, and students across the institution. Benjamin coordinates the meetings of the GSAS Executive and Policy and Programs Committees, as well as manages the Graduate Student Research Competition and the Graduate Student Conference Reimbursement Fund.

Contact Benjamin