
Gustavo Leone, PhD
Director
Dr. Leone joined the MCW Cancer Center in 2020. As a leader and scientist in the cancer community, Dr. Leone has nearly 30 years of research experience and more than 10 years of leadership experience, including former appointments as the Director of the NCI-designated Hollings Cancer Center at the Medical University of South Carolina as well as Director, Solid Tumor Biology Program, at the Ohio State University Comprehensive Cancer Center.
In addition to leading the MCW Cancer Center, Dr. Leone is MCW’s senior associate dean of cancer research and professor with tenure in the department of biochemistry. He holds the Dr. Glenn R. and Nancy A. Linnerson Endowed Chair for Cancer Research and oversees clinical operations at the Froedtert & the Medical College of Wisconsin Cancer Network.

Mary M. Horowitz, MD, MS
Deputy Director
Dr. Horowitz assumed the role of MCW Cancer Center Deputy Director in 2021. She holds the Robert A. Uihlein Professorship for Hematologic Research at MCW and serves as chief scientific director emeritus of the Center for International Blood and Marrow Transplant Research.
Dr. Horowitz’s clinical and research activities focus on the care and outcome of persons receiving blood and marrow transplants and in evaluating the role of transplantation in malignant and non-malignant diseases. She is particularly interested in understanding, treating and preventing long term complications of transplantation such as chronic GVHD (graft versus host disease).
View Mary Horowitz, MD, MS Bio
Our Teams
Associate Directors


Marilyn Larson, MBA
Associate Director, Administration (CCSG)


Janet Rader, MD, FACOG
Associate Director, Cancer Research Training and Education Coordination (CCSG)


Lisa Sanchez-Johnsen, PhD, MS
Associate Director, Equity, Diversity, Inclusion and Belonging (CCSG)


James Thomas, MD, PhD
Associate Director, Translational Research


Research Program Directors

Carol L. Williams, PhD
Joan K. Van Deuren Professor in Breast Cancer Research; Professor, Pharmacology & Toxicology

Joan Neuner, MD, MPH
Professor or Medicine, George Carroll Professor of Women's Health, School of Medicine

William R. Drobyski, MD
Mariette C. and Philip W. Orth/Tom Anderson Chair of Oncology; Professor, Medicine (Hematology/Oncology), Pediatrics, Microbiology & Immunology

Todd Miller, PhD
Professor of Pharmacology & Toxicology and Pathology
Chairs: Integrated Disease-Oriented Teams




TBD
Chair, Central Nervous System

TBD
Chair, Gastrointestinal











Cancer Center Administration
Administration
Marilyn Larson, MBA
Associate Director of Administration
Programmatic Grants and Strategic Partnerships
Roger Johnson, PhD
Director of Programmatic Grants and Strategic Partnership Development; Research Associate Professor, Biophysics
Operations and Finance
Brenda Brito
Director of Finance & Business Operations
Training and Education
Lisa Olson, MBA
Research Program Manager
Community Outreach and Engagement
Debra Nevels, MSHCM
Community Outreach and Engagement Program Manager
Communications
Nikita Hartnett, MBA
Director of Communications