Meet COIRI
Leadership
![Slobogean_Gerard](https://www.medschool.umaryland.edu/media/som/faculty/faculty-portraits/Slobogean_Gerard.jpg)
Gerard Slobogean, MD, MPH
COIRI Co-Director
Associate Professor, Orthopaedics
Director of Clinical Research for the Department of Orthopaedics
![Nathan O'Hara](https://www.medschool.umaryland.edu/media/som/faculty/faculty-portraits/O'Hara_Nathan.jpg)
Nathan O’Hara, PhD, MHA
COIRI Co-Director
Assistant Professor, Orthopaedics, Epidemiology & Public Health
Research Administrator, Department of Orthopaedics
![Sheila Sprague](https://www.medschool.umaryland.edu/media/som/departments/orthopaedics/images/SheilaSprague.jpg)
Sheila Sprague, PhD
Large Trials Resource Core Director (COIRI)
Associate Professor, Department of Surgery, McMaster University
Research Director, Centre for Evidence-Based Orthopaedics, Department of Surgery, McMaster University
Administrative Staff
![](https://www.medschool.umaryland.edu/media/som/departments/orthopaedics/images/Howe_Andrea.jpg)
Andrea Howe
Research Administrator
University of Maryland, Baltimore
Department of Orthopaedics
![](https://www.medschool.umaryland.edu/media/som/departments/orthopaedics/images/Heather-headshot.jpg)
Heather Phipps, MPS
Lead Clinical Research Specialist
University of Maryland, Baltimore
Department of Orthopaedics
![](https://www.medschool.umaryland.edu/media/som/departments/orthopaedics/images/Loudermilk_Casey.jpg)
Casey Loudermilk
Clinical Research Assistant
University of Maryland, Baltimore
Department of Orthopaedics