PhD Results

Liying Chen, wearing glasses and a green parka, with a waterfall in the background at Yosemite National Park

Finding clarity in numbers and community

Liying Chen, MS ’20, PhD ’26

Michigan Public Health Biostatistics PhD student Liying Chen transforms clinical medicine experience into impactful public health research. Chen harnesses statistics, AI, and big data for cancer, mental health, and substance use, supported by a diverse community and renowned mentorship.

Faith Imbiti Okaalo

Potential made possible: PhD student's impact on health equity

Faith Imbiti Okaalo

Explore Faith Imbiti Okaalo’s impactful research in HIV care and health equity at the University of Michigan School of Public Health. Her commitment addresses disparities and promotes compassionate, dignified healthcare that empowers marginalized women. CEW+ recognizes Okaalo’s inspiring contributions to advancing global public health.

Justice Akuoko-Frimpong

Using data to improve health outcomes

Justice Akuoko-Frimpong, MS ’24

University of Michigan School of Public Health Biostatistics PhD student Justice Akuoko-Frimpong combines teaching excellence with impactful research. As a statistician on the CAPTURE study for COPD respiratory disease, he analyzes data to improve patient care while mentoring future public health professionals.

Josh Foster-Tucker

The unexpected epidemiologist: Evolving from neuroscience to respiratory virus research

Joshua Foster-Tucker, MPH ’21

When Joshua Foster-Tucker’s wife suggested he apply to Michigan Public Health instead of attending medical school, neither could have predicted it would launch a passion for understanding infectious diseases. Now pursuing his PhD at Michigan Public Health, he studies respiratory viruses, including how they could accelerate immune system aging—research that could transform our understanding of health longevity. His journey, shaped by the COVID-19 pandemic, personal challenges and mentorship illustrates how meaningful career paths can emerge from unplanned moments of redirection.

Laura Arboleda-Merino

From third grade dream to public health innovator

Laura Arboleda-Merino, MPH ’17

An internship at a local health department further crystallized Laura Arboleda-Merino's interests in public health. She was no longer just interested in treating individual patients, but in understanding and addressing systemic health challenges. Her academic journey led her to the University of Michigan School of Public Health. The transition wasn’t just about academic advancement but about finding a community that resonated with her interdisciplinary approach.

Kalee Rumfelt

Transforming challenges into epidemiological success

Kalee Rumfelt, MPH ’21, PhD ’25

Even from a young age, Kalee Rumfelt, MPH ’21, PhD ’25, has always been fascinated by human genetics. Her path to obtaining a doctoral degree in Epidemiology from the University of Michigan School of Public Health, however, didn’t come without hurdles. Growing up in a low-income household near Detroit, Rumfelt faced significant financial challenges. Yet, she transformed those hardships into stepping stones toward academic success.