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AHEAD Team

The AHEAD Institute faculty members within the Department of Health and Clinical Outcomes Research at the Saint Louis University School of Medicine lead the advancement of knowledge in critical areas such as health services research, health equity, palliative care, oncology, addiction medicine, vaccine hesitancy, study design, methodology and data science.

Through publications in high-impact journals and presentations at regional, national and international conferences, our faculty and staff consistently showcase their dedication to advancing health care research and disseminating impactful findings to a global audience. The combined methodological and statistical expertise of the AHEAD Institute's biostatistics core staff enables our collaborators to develop robust study designs and generate high-quality research that contributes to improved patient outcomes and health care delivery.

AHEAD Biostatistics Core Staff
 

Leadership

Leslie Hinyard, Ph.D. 
Chair, professor, Department of Health and Clinical Outcomes Research 
Executive director, AHEAD Institute  
[email protected] 

Jeffrey Scherrer, Ph.D.  
Vice chair for research, professor, Department of Family and Community Medicine 
Professor, Department of Psychiatry and Behavioral Neuroscience 
Co-senior director of research, AHEAD Institute 
[email protected]

Richard Grucza, Ph.D.  
Professor, family and community medicine, Department of Health and Clinical Outcomes Research 
Co-senior director for research, AHEAD Institute  
[email protected] 

Linda Waller
Director of business strategy, AHEAD Institute, Department of Health and Clinical Outcomes Research 
[email protected] 

Joanne Salas
Director for applied research and analytics, AHEAD Institute 
[email protected] 

Thomas Sessa 
Director of data oversight, AHEAD Institute 
[email protected]

Faculty and Staff

Paula M. Buchanan, Ph.D. 
Associate professor, Department of Health and Clinical Outcomes Research 
Director of academic affairs, Department of Health and Clinical Outcomes Research 
Director for consulting & training services, AHEAD Institute 
[email protected]

Divya S. Subramaniam, Ph.D.
Associate professor and program director, Department of Health and Clinical Outcomes Research 
[email protected]  

Dipti P. Subramaniam Ph.D.
Associate professor, Department of Health and Clinical Outcomes Research 
Director of curriculum development and strategic outreach, Department of Health and Clinical Outcomes Research 
[email protected] 

Noor Al-Hammadi, Ph.D.
Assistant professor, Department of Health and Clinical Outcomes Research 
Director for prospective and clinical trial analytics, AHEAD Institute 
[email protected] 

Paul Hitz
Director for data management and health informatics, AHEAD Institute
[email protected] 

Sarah Gebauer, M.D.  
Associate professor, Department of Family and Community Medicine 
[email protected] 

Matthew Breeden, M.D. 
Assistant professor, Department of Family and Community Medicine 
[email protected] 

Lizzie Ward 
Program coordinator, AHEAD Institute
[email protected]

Biostatistics Core Staff

Joanne Salas
Director for applied research and analytics, AHEAD Institute 
[email protected] 

Thomas Sessa 
Director of data oversight, AHEAD Institute
[email protected] 

Roxann Kirkwood
Data management lead 
[email protected]

Irene Ryan 
Data manager 
[email protected] 

Timothy Chrusciel
Biostatistician 
[email protected] 

Matthew Simpson
Data analyst 
[email protected] 

Zidong (Alex) Zhang, Ph.D. 
Biostatistician 
[email protected] 

Jason Doherty, Ph.D.
Biostatistician 
[email protected] 

Ruizhi (Regina) Huang
Biostatistician 
[email protected]

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