
Meet Our Experts
Our experts are leaders in industry, government, and academia and bring specialized knowledge to lead through change. They bring multidisciplinary experiences from the Johns Hopkins Health System and partnering agencies to tackle pressing issues including health care delivery, health policy, and population health.
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Kathryn Linehan, MPH
Core Faculty
Johns Hopkins Bloomberg School of Public Health
Associate Scientist
Johns Hopkins Bloomberg School of Public Health

Angela Liu, PhD, MPH, BS
Core Faculty
Johns Hopkins Bloomberg School of Public Health
Assistant Scientist
Johns Hopkins Bloomberg School of Public Health

Mario Macis, PhD
Core Faculty
Johns Hopkins Carey Business School
Professor
Johns Hopkins Carey Business School
Johns Hopkins Berman Institute of Bioethics

Leila Mady, MD, PhD, MPH
Core Faculty
Johns Hopkins School of Medicine
Assistant Professor
Johns Hopkins School of Medicine

Jeffrey Marr
Affiliate Trainee
Johns Hopkins Bloomberg School of Public Health
Doctoral Student
Johns Hopkins Bloomberg School of Public Health

Jill Marsteller, PhD
Core Faculty
Johns Hopkins Bloomberg School of Public Health
Professor
Johns Hopkins Bloomberg School of Public Health

Joey Mattingly, MBA, PharmD, PhD
Affiliate Scholar
University of Maryland
Vice Chair of Academic Affairs, Associate Professor
University of Maryland

Alexander McCourt, JD, PhD, MPH
Core Faculty
Johns Hopkins Bloomberg School of Public Health
Assistant Professor
Johns Hopkins Bloomberg School of Public Health

Kathy McDonald, PhD, MM
Core Faculty
Johns Hopkins School of Nursing