Research Leaders

Associate Directors

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  Population Science

  Carolyn Y. Fang, PhD

  Professor, Cancer Prevention and Control

  Carolyn Y. Fang studies how psychosocial and behavioral factors influence cancer risk and outcomes, particularly in underserved populations. Her work has made significant contributions to informing evidence-based approaches for addressing cancer health disparities.

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  System Integration

  Erica Golemis, PhD, Professor

  Deputy Chief Science Officer
  Professor, Cancer Signaling and Microenvironment
  William Wikoff Smith Chair in Cancer Research

  As Associate Director for System Integration, Erica Golemis works with Fox Chase and Temple scientists to develop relationships that will lead Fox Chase into the future. As Senior Associate Dean of Research, she directs the overall research enterprise at the Lewis Katz School of Medicine, she focuses on identifying and supporting research synergies that advance cancer research and cancer care.

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  Administration & Planning

  John Gricoski

  Vice President, Research Administration

  John Gricoski is responsible for administration of the center, including oversight of research operating and capital budgets, and laboratory space planning. He also manages the NCI Cancer Center Support Grant. Gricoski has an MBA in finance and is a licensed Pennsylvania CPA.

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  Associate Director for Diversity, Equity, Inclusion and Accessibility

  Camille Ragin, PhD, MPH

  Associate Director for Cancer Disparities Research and Research Integration

  Camille Ragin’s research focuses on gene-environment interactions and cancer health disparities. Her work applies molecular biomarkers, genomics, and public health tools to cancer research in African American communities and African-descended populations worldwide.

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  Cancer Research Training and Education

  Glenn F. Rall, PhD

  Chief Academic Officer
  Professor, Cancer Signaling and Microenvironment

  Rall focuses on the intersection of virology, immunology, and neurobiology. As associate director of education and training, Rall oversees all faculty affairs, as well as mentoring and education programs.

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  Community Outreach and Engagement (COE)

  Charnita Zeigler-Johnson, PhD, MPH

  Charnita Zeigler-Johnson, PhD, MPH, is Associate Director of Community Outreach and Engagement at Fox Chase Cancer Center, where she works with community partners, cancer center leadership, and researchers to address cancer disparities and integrate community-engaged research across Fox Chase and Temple Health. A well-funded investigator with more than 75 peer-reviewed publications, her research focuses on prostate cancer disparities and expanding lung cancer screening access and adherence among vulnerable populations. Zeigler-Johnson earned her PhD and MPH in epidemiology from the University of Pittsburgh and is a leader in several national and international cancer organizations, including the African Caribbean Cancer Consortium, American Association for Cancer Research, and Pennsylvania Cancer Coalition.

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  Namrata Vijayvergia, MD

  Namrata Vijayvergia, MD

  Chief of the Division of Gastrointestinal Medical OncologyAssociate Professor
  Department of Hematology/Oncology
  Associate Director for Clinical Research

  Namrata “Neena” Vijayvergia, MD, is a nationally recognized medical oncologist specializing in gastrointestinal cancers and rare neuroendocrine tumors. Her clinical and translational research focuses on developing novel therapeutic strategies and expanding clinical trial opportunities to improve outcomes for patients with gastrointestinal malignancies. She also provides leadership in medical oncology and serves as Section Chief of Gastrointestinal Medical Oncology at Fox Chase.

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  Prevention and Screening

  David S. Weinberg, MD, MSC

  Associate Director of Cancer Screening and Prevention for the Institute for Cancer Research
  Vice President/Physician Lead of the Cancer Screening and Prevention Service Line 

  David Weinberg, MD, MSc, joined Fox Chase Cancer Center in 2001 as Director of Gastroenterology and served as Chair of the Department of Medicine from 2008 to 2026. A distinguished cancer researcher with more than 250 publications and continuous NIH/NCI funding since 1995, his work focuses on gastrointestinal cancers, cancer screening and prevention, including strategies to increase screening utilization and advance the use of novel biomarkers. Weinberg is Co-Editor-in-Chief of Gastroenterology and has held leadership roles with organizations including the American Board of Internal Medicine, American College of Physicians, and American Gastroenterological Association.

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  Clinical Research Education

  Matthew R. Zibelman, MD

  Associate Professor, Department of Hematology/Oncology
  Director of Clinical Research Education

  Matthew Zibelman, MD, is a nationally recognized genitourinary medical oncologist and clinical investigator specializing in kidney, bladder, and prostate cancers. His research focuses on developing innovative therapies and advancing clinical trials to improve outcomes for patients with genitourinary malignancies. He also plays a significant role in clinical and translational research at Fox Chase, including leadership of genitourinary clinical research.