Our People

Regenstrief Leadership

Peter J. Embi, MD, MS
President and CEO

Dr. Embi is an internationally recognized researcher, educator, and leader in the field of clinical and translational research informatics, with numerous peer-reviewed publications and presentations describing his innovations in the field. His areas of interest include biomedical informatics, health information technology, patient-centered outcomes and learning health systems. He is also the Associate Dean for Informatics and Health Services Research at the Indiana University School of Medicine, the Associate Director at Indiana CTSI and Vice President for Learning Health Systems at IU Health. He previously served in leadership roles at The Ohio State University. He was also on the faculty of the University of Cincinnati, where he was the founding director of the UC Center for Health Informatics.


Thane Peterson
Chief Operating Officer, VP for Finance and Administration
Thane Peterson provides leadership, management and vision to ensure the Institute has the proper structure, systems, and processes in place to effectively meet the mission and objectives of the organization and to ensure financial strength and operating efficiency. He works with faculty and clinicians to promote, expand and accelerate their research interests to include assistance with joint ventures, small business enterprise, intellectual property rights, and strategic partnerships.


Aaron Caroll, MD, MS
Vice President for Faculty Development
Dr. Carroll is Regenstrief’s first Vice President for Faculty Development. He is also a Professor and the Vice Chair for Health Outcomes Research Faculty Development in the Department of Pediatrics at Indiana University School of Medicine and Director of the Center for Pediatric and Adolescent Comparative Effectiveness Research and is the Associate Dean for Research Mentoring, both at the Indiana University School of Medicine.


Eneida A. Mendonca, MD, PhD
Vice President for Research Development
As the vice president for research development, Dr. Mendonca is charged with building upon and enhancing the successes of the institute’s faculty investigators across biomedical informatics, health services research, aging research and implementation science.


Todd Saxton, PhD
Vice President for Business Development
Dr. Todd Saxton’s role is to guide new business models for bringing Regenstrief Institute healthcare innovations to market. He also fosters an entrepreneurial culture among the institute’s researchers and affiliates and connects the institute with Indiana University Kelley School of Business’ research and teaching expertise.


Michael Weiner, MD, MPH
Director, Center for Health Services Research
In addition to serving as director for health services research, Dr. Weiner is a principal investigator with VA Health Services Research and Development Center for Health Information and Communication at the Richard L. Roudebush VA Medical Center. His clinical and health services research is focused on measuring and improving the quality, coordination, and delivery of health services for older adults. He also studies the effects of health information and information technology on physicians’ practices and patients’ outcomes.


Shaun Grannis, MD, MS, FAAFP
Director, Center for Biomedical Informatics
Dr. Grannis collaborates closely with national and international public and population health stakeholders to advance the technical infrastructure and data-sharing capabilities in varying settings. His research is focused on improving discovery and decision support in a variety of contexts by developing, testing, and implementing innovative approaches for data integration, patient matching, predictive modeling and other novel data science use cases, including developing novel population health data frameworks supporting fusion of community and social determinants of health with clinical data, as well as leveraging machine learning-based models to improve discovery and decision support in a variety of contexts. Dr. Grannis has been a part of Regenstrief Institute since 2001 when he began a National Library of Medicine sponsored medical informatics fellowship.


Kathleen Unroe, MD, MHA
Acting Director, Center for Aging Research
Dr. Unroe’s research, clinical and policy interests are focused on improving quality of care — particularly access to palliative and end-of-life care — for nursing home residents. She was awarded a 2014 Paul B. Beeson K23 Career Development Award to examine hospice use in nursing homes. She is principal investigator of OPTIMISTIC, a novel 8-year, $30.3 million CMS-funded demonstration project aimed at improving quality of care and reducing unnecessary hospitalizations in 40 Indiana nursing homes. Dr. Unroe is vice-chair of the American Geriatrics Society Public Policy Committee. She was a 2009-2010 Health and Aging Policy Fellow and had a placement in Health and Human Services ASPE Office of Disability, Aging, and Long-Term Care Policy.


Malaz Boustani, MD, MPH
Director, Center for Health Innovation & Implementation Science
Dr. Boustani is the founding director of the Regenstrief Center for Health Innovation and Implementation Science. He is a senior implementation scientist with extensive experience in conducting implementation research with a main focus on developing tools, processes, and strategies to rapidly implement evidence-based, cost-effective healthcare solutions in the real world. Dr. Boustani is interested in enhancing the quality of the current health care system to accommodate the needs of patients with cognitive impairment, both in the general population, and particularly for those with dementia. His work on the development of a multifaceted dementia care system crosses various health care settings including ambulatory, primary and secondary care, hospital environment, and long-term care facilities.


Regenstrief Board of Directors

President – Peter Embi, MD
Chairman – Jack Snyder
Secretary & Treasurer – Charlie Fox

Jay Hess, MD
Michelle Janney
Lisa Harris, MD
Anantha Shekhar, MD
Craig Brater, MD
John Kansky
Claire Fiddian-Green, MBA
Mark W. Geraci, MD
Wade Clapp, MD

Life Directors
Harvey Feigenbaum, MD
Len Betley