Primary directors

Akbar K. Waljee, MD, MS
Akbar K. Waljee, MD, MS is the Leslie D. Yamada and Tachi Yamada M.D. Director, University of Michigan Center for Global Health Equity. Waljee is an assistant dean of Global Health Research and Lyle C. Roll Professor, departments of Learning Health Sciences and Internal Medicine. He is also a professor in the Department of Epidemiology at the University of Michigan. Originally from Nairobi, Kenya, Waljee has dedicated his career to improving health and healthcare access, quality, and efficiency, particularly in resource-constrained settings. He is widely recognized for leveraging advanced methodological approaches, including artificial intelligence, to inform better decision-making and to deliver effective, equitable care both locally and globally. His work has been supported by a range of grant funding, including the Veterans Affairs Health Systems Research, the National Institutes of Health, the State of Michigan, and the Department of Defense. Waljee earned his undergraduate degree in biology and his medical degree from Emory University. He completed his internal medicine residency and gastroenterology/hepatology fellowship at the University of Michigan, joining the U-M Medical School faculty in 2009.

Ellen Meader, PhD, MEd
Ellen Meader, PhD, MEd is a seasoned administrator with over thirty years of experience in higher education and has worked at U-M in several different capacities. Prior to her current position, Ellen was an Assistant Vice Provost for Equity, Inclusion, and Academic Affairs in the Provost’s Office. She also worked with the U-M ADVANCE Program focusing on equitable and preemptive strategies in faculty recruitment, retention, climate, and leadership; in the Rackham Graduate School as a program manager in the Office of Graduate Student Success; and in the College of Literature, Science, and the Arts in the Office of the Dean as a Research and Policy Analyst. Ellen received her PhD from U-M’s Center for the Study of Higher and Postsecondary Education (CSHPE).
Additional leadership
John Ayanian, MD, MPP
Senior Advisor
Director, Institute for Healthcare Policy and Innovation; Professor of Medicine and Healthcare Policy, Medical School
Bilal Butt, PhD
Senior Advisor
Professor of Environment and Sustainability, School for Environment and Sustainability
Joshua (Josh) Ehrlich, MD, MPH
Associate Director, Data Collaborative
Paul R Lichter Research Professor; Associate Professor of Ophthalmology and Visual Sciences, Medical School; Research Associate Professor, Survey Research Center, Institute for Social Research
Lindsay Kobayashi, PhD, MS
Associate Director, Research Strategy
Associate Professor of Epidemiology, School of Public Health; Associate Professor of Global Public Health, School of Public Health; Faculty Associate, Survey Research Center, Institute for Social Research
Joseph (Joe) Kolars, MD
Senior Advisor
Director, Strategic Development of Global Initiatives, U-M Medical School; Professor of Medicine and Learning Health Sciences, U-M Medical School; Professor of Health Management and Policy, U-M School of Public Health
Cheryl Moyer, PhD, MPH
Associate Director for Education and Mentoring
Professor of Learning Health Sciences and Obstetrics and Gynecology, Medical School
Geoffrey Siwo, PhD
Lead, Generative AI, CGHE Data Collaborative
Research Assistant Professor, Learning Health Sciences
Research Assistant Professor, Pharmacology, Medical School
Emily Treleaven, PhD, MPH
Lead, Data Harmonization, CGHE Data Collaborative
Research Assistant Professor, Survey Research Center, Institute for Social Research; Faculty Associate, Population Studies Center, Institute for Social Research
Amy Pienta, PhD
Lead, Data Acquisition and Curation, Data Collaborative
Research Scientist, Inter-university Consortium for Political and Social Research, Institute for Social Research
Additional staff

Sarah Conner
Administrative partner for the Yamada Director and team leaders, providing operational and Data Collaborative support.

Kelly Espinoza
Administrative partner for senior leadership, supporting procedures, operations and budget.

Kristina Rice, MA, MSW, MUP
Leads the Data Collaborative, Kenya interest group and the Climate Vulnerability and Health member community.

Bettina Senga
Leads multimedia strategy and creative production across print, digital, video, and web.

Joseph (Joe) Wanyoike Njoroge, MDS
Leads policy, partnerships and innovation initiatives and Ghana interest group.

Seema Jolly, MPH
Leads education, mentoring, Impact Scholars program, and Latin American interest group, and manages the Women and Communities member community.
What we make possible
Behind this team is a full slate of funding, programs and partnerships open to U-M faculty and their collaborators, near and far. See where you fit.
Data collaborative
A shared space for researchers and partners to build and use data infrastructure that advances health equity.
Impact scholars
A postdoc-level training program for early-career researchers preparing to launch independent careers in global health equity.
Summer Internship
Hands-on experience for graduate-level students ready to contribute to global health equity work.
Student organization pitch competition
A competition inviting U-M student organizations to pitch bold ideas in global health equity.
Student research fellowship
A program created to prepare future leaders who use rigorous research to advance justice, health, and health equity through a human rights framework.
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