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

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Ann Marie Cugno

Administrative Coordinator

As the Administrative Coordinator Ann Marie assists with administrative processes and support in the GSAS Dean's Office such as calendar support, office management, and meeting and event coordination. In addition, Ann Marie works with department administrators, graduate directors, and the Office of Graduate Admissions on recruitment initiatives for prospective students. She also works on communicating with and assisting newly admitted students.

On Leave

Dean Jackie Dejean

Jacqueline (Jackie) Dejean

Associate Dean of Diversity & Inclusion, Graduate School of Arts and Sciences
Associate Dean of Research, School of Arts and Sciences


As the Associate Dean of Diversity and Inclusion for GSAS Jackie Dejean is focused on advancing the strategic plan for diversity, equity, inclusion, and justice for the school with a special focus on supporting graduate students. In addition, she is the Associate Dean of Research for Arts and Sciences where she is tasked with advancing the strategic research agenda of the school and developing programs and initiatives to achieve strategic goals.

Contact Dean Dejean

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. Angela also serves as the interim Program Manager for the Museum Studies and Data Analytics programs. 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 helps manage some of the interdisciplinary programs in GSAS including the Diversity and Inclusion 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

Gabby 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 Przybyszweski

Administrative Coordinator

Felicia provides executive administrative support to the Dean of GSAS and is the administrative coordinator for GSAS committees (Policy and Programs Committee and Executive Committee). She also works on data collection, student awards and fellowships, student payments, and general department information. 

Contact Felicia