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Lynn Videka

Andrew Davis
Chief of Staff, Dean’s Office; Director, Research Development and Planning

James I. Martin
Associate Dean for Academic Affairs and Director, MSW Program

Robert L. Hawkins
Assistant Dean and Director, Undergraduate Program

Vincent Guilamo-Ramos
Director, PhD Program

Mark Callahan
Associate Dean, Administration & Finance

Robert Sommo
Assistant Dean, Enrollment Services

Peggy Morton
Assistant Dean, Field Learning & Community Partnerships

Eileen Wolkstein
Director, Office of Global and Lifelong Learning

James Jaccard
Associate Dean, Research

Courtney O’Mealley
Assistant Dean, Student and Alumni Affairs

Wen-Jui Han
Chair, Faculty Executive Committee


Mark Callahan
Associate Dean, Administration & Finance

Mark Callahan has over 30 years experience in nonprofit finance and administration, and has managed these areas within the Silver School of Social Work since 1992. In recent years, Mr. Callahan has overseen construction of the School’s new research centers, the Center for Latino Adolescent and Family Health and the McSilver Institute for Poverty Policy and Research. Previously he managed many renovation projects at the School's 1 Washington Square North headquarters, including several projects to preserve the Hopper Studio. On the financial side, Mr. Callahan was responsible for setting up the School's financial structure as part of the FAME project modernizing NYU's accounting systems. In recent years, he has been instrumental in helping to manage the School's rapid growth in sponsored research funding and operations. Mr. Callahan and his staff work closely with University administration on a day-to-day basis, and are involved in "next generation" financial and HR initiatives such as the UDW+ and PeopleSync projects.

Mr. Callahan has an MA from Duke's Sanford School of Public Policy, where he specialized in occupational health and safety issues in the semiconductor industry, and a BA in history from Bard College with a focus on the New Deal and the Social Security Act.

Rob Sommo

Robert Sommo
Assistant Dean, Enrollment Services

Robert Sommo is the assistant dean for enrollment services at the Silver School of Social Work at New York University with primary responsibilities including admissions, recruitment, registration, and financial aid.

Mr. Sommo’s educational background is in higher education. He has an MA in higher education/educational sociology from the Steinhardt School of Culture, Education, and Human Development at NYU; an MA in interdisciplinary studies from the Graduate School of Arts and Science at NYU; and a BA in sociology from the University of Connecticut (GO HUSKIES). He is a current member of and frequent presenter for the National Association of Admissions Professionals (NAGAP).


Eileen Wolkstein
Director, Office of Global and Lifelong Learning

Eileen Wolkstein is director of the Office of Global and Lifelong Learning. She works with the Silver School of Social Work’s administration and faculty to shape and promote the courses that are part of the School’s global offerings, and she works with the faculty in the delivery of Lifelong Learning conferences and certificate programs that support the strategic plan of the School. With strong alliances in the community, programs are developed that reflect the most recent policies, research, and evidence-based practices in the delivery of social work services. The Office works closely with the social work community in order to support the overall goal of community engagement.

Dr. Wolkstein has an MA and a PhD in rehabilitation counseling from NYU. She has served on a variety of advisory committees as the local, state, and national level to advance service delivery to the most needy individuals in the community. She has been the recipient of numerous state and federal grants to support continued education in the areas of substance abuse, substance abuse, and co-existing conditions and mental health services.


Courtney R. O'Mealley
Assistant Dean, Student and Alumni Affairs

Courtney R. O’Mealley is the assistant dean for student and alumni affairs at the Silver School of Social Work at New York University. In this position, Dean O’Mealley works with the senior leadership, faculty, alumni, and students to shape the School’s environment into one that is welcoming and inclusive and that stimulates collaboration, debate, and social interaction. He is responsible for all non-academic areas of the School, including student transitions (orientation and convocation), career and professional development, and alumni engagement. He exercises liaisonships with NYU student & alumni affairs departments, collaborates with social work professional organizations, and serves as the student ombudsman.

Dean O’Mealley has over 13 years of leadership experience. His expertise is in higher education administration, leadership, student and alumni engagement, project management, strategic planning, and communication. He has extensive experience in the areas of crisis management, mediation, program development, student services and retention, leveraging technology for service delivery, optimizing and engaging human and organizational resources, and successful administration in complex environments.

Dean O’Mealley received his MSW, with a focus on student community development, from Stony Brook University. He has previously served in leadership capacities in student affairs at The New School and Cornell University.