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Neil B. Guterman
Dean and Paulette Goddard Professor of Social Work

Jenny Sobelman
Chief of Staff, Dean's Office

Mark Callahan
Associate Dean, Administration & Finance

James Jaccard
Associate Dean, Research

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

Robert L. Hawkins
Assistant Dean and Director, Undergraduate Program

Peggy Morton
Assistant Dean, Field Learning & Community Partnerships

Courtney O’Mealley
Assistant Dean, Student and Alumni Affairs

Robert Sommo
Assistant Dean, Enrollment Services

Wen-Jui Han
Director, PhD Program

Andrew Davis
Director, Research Development and Planning

Christine Ferrara
Director of Strategic Communications

Benjamin R. Sher
Director, Office of Global and Lifelong Learning


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).

Benjamin R. Sher

Benjamin R. Sher,
Director, Office of Global and Lifelong Learning

Ben is currently the Director of the Office of Global and Lifelong Learning at the Silver School of Social Work. Prior to this position, Ben held numerous titles at the Institute for Community Living, Inc., (ICL) a behavioral healthcare agency serving metropolitan New Yorkers with mental illness and/or developmental disabilities. He began his career at ICL as a Program Director overseeing residential services. He served in this role for ten years when he transitioned to Director of Training and Staff Development, overseeing all clinical, regulatory and student development activities at ICL. Ben served in this role for eleven years. In addition to this work, Ben has been an Adjunct Instructor with Metropolitan College of New York and the Silver School of Social Work. He is an active member of NASW-NYC, where he is a committee chair, board member and is a Delegate Assembly member to the national chapter.


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.