The Graduate School of Arts and Sciences Dean’s Office strives to create an intellectually engaging experience for our graduate students. The office interacts with all administrative units that touch graduate students, including Academic Affairs, Student Life, Financial Aid and the Career Center.

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Barbara Brizuela headshot

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 headshot

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

Lisa Fiore

Lisa B. Fiore

Director, Post-Baccalaureate Programs

As the Director of Post-Baccalaureate Programs, Lisa brings vision and strategic leadership to programs that center opportunities for students to deepen and extend their knowledge, skills, and relationships in support of their academic and professional development.

Contact Lisa

Angela Foss headshot

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.)

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Sarah Herchel

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

Maura McDonald headshot

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

Gabby Otto headshot

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


Rebecca Peterson headshot

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 headshot

Felicia Przybyszewski

Assistant Director of GSAS Admissions and Financial Aid 

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

Contact Felicia


Benjamin Quinn headshot

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

Clara Wilson-Hawken

Clara Wilson-Hawken

Program Manager, Interdisciplinary Studies

Clara manages two of Tufts’ interdisciplinary graduate programs: the Diversity, Equity, Inclusion and Justice Leadership (DEIJ-L) MA and Certificate programs and the Interdisciplinary Doctorate (IDOC) program.

Contact Clara