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Our Faculty

Armstrong Institute Headquarters Core Faculty

Photo of Sean Berenholtz, M.D.

Sean Berenholtz, M.D.
Professor, Anesthesiology and Critical Care Medicine

Dr. Berenholtz has served as principle investigator or co-investigator on more than a dozen grants or contracts to develop, implement and evaluate patient safety improvement efforts. These include national and statewide programs that reduced central line-related bloodstream infections, surgical site infections, ventilator-associated pneumonia and other complications.

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Photo of Hanan Aboumatar, M.D., M.P.H.

Hanan Aboumatar, M.D., M.P.H.
Associate Professor of Medicine

Dr. Aboumatar’s research focuses on improving patient-centered outcomes via increased patient and family engagement and activation, and employment of multilevel strategies to improve patient-centeredness of care delivery. She directs the institute’s Center for Engagement and Patient-Centered Innovations.

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Photo of Matt Austin, Ph.D.

Matt Austin, Ph.D.
Assistant Professor of Anesthesiology and Critical Care Medicine

Dr. Austin’s research focuses on evaluating and improving measures of patient safety and health care quality. Among other roles, he provides strategic guidance to The Leapfrog Group on performance measures for its annual Hospital Survey and Hospital Safety Grade.

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Photo of Lauren Benishek, Ph.D.

Lauren Benishek, Ph.D.
Assistant Professor of Anesthesiology and Critical Care Medicine

An industrial/organizational psychologist, Dr. Benishek focuses her research on professional talent development, safety and well-being, as well as teamwork and unit dynamics. She is also supporting the institute’s efforts to build capacity in patient safety and quality improvement leadership across Johns Hopkins Medicine.

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Photo of Ayse Gurses, M.S., Ph.D.

Ayse Gurses, M.S., Ph.D.
Associate Professor of Anesthesiology and Critical Care Medicine

Dr. Gurses is a human factors engineer with expertise in patient safety, health care technology design, and usability evaluation. Among other projects, she has focused on improving patient safety in the cardiac operating room, transitions of care/handoffs, care coordination, compliance of providers with evidence-based guidelines and nursing working conditions. She leads the institute’s Center for Health Care Human Factors.

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Photo of Lisa Lubomski, Ph.D.

Lisa Lubomski, Ph.D.
Assistant Professor of Anesthesiology and Critical Care Medicine

Dr. Lubomski’s work focuses on improving patient safety and quality through large-scale collaborative efforts focused on the delivery of evidence-based care, improving teamwork and communication in multidisciplinary teams, translating evidence into practice, data collection and management, and research ethics in quality improvement. She is a faculty advisor to Johns Hopkins Health System’s Clinical Communities, manages the Armstrong Institute’s Research in Progress seminar series, and is the Comprehensive Unit-based Safety Program executive for the Green Spring Station ob-gyn service.

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Photo of Jill Marsteller, Ph.D.

Jill Marsteller, Ph.D.
Professor of Health Policy and Management, School of Public Health

Dr. Marsteller is a health services researcher who specializes in organizational behavior and theory, specifically in estimating the influence of organizational variables and contextual measures on quality improvement activities. She focuses her research on the determinants of successful implementation, dissemination, and sustainability of knowledge. Marsteller chairs the institute’s Research Facilitation Council Chair and is a member of its Executive Committee and Faculty Review Committee.

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Photo of Simon Mathews, M.D.

Simon C. Mathews, M.D.
Assistant Professor of Medicine

As the Armstrong Institute’s head of clinical innovation, Dr. Mathews leads efforts to leverage technology to advance quality and safety. He is also active in the institute’s ongoing mission to transform hospitals and health systems into highly reliable organizations by strengthening governance structures for safety and quality improvement. He serves as assistant director at the institute’s location at Johns Hopkins Bayview Medical Center. He is also a practicing gastroenterologist with a focus on quality and safety outcomes.

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Photo of Michael Rosen, M.A., Ph.D.

Michael Rosen, M.A., Ph.D.
Associate Professor of Anesthesiology and Critical Care Medicine

Dr. Rosen is a human factors psychologist whose research focuses on teamwork and patient safety, simulation for training and work system design and evaluation, unobtrusive and sociometric measurement systems, implementation science, leadership and change management for safety and quality improvement.

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Photo of David Thompson, D.N.Sc., M.S.

David A. Thompson, D.N.Sc., M.S.
Associate Professor of Anesthesiology and Critical Care Medicine

Dr. Thompson’s focuses his research on patient outcomes, patient safety and quality improvement initiatives, translating evidence into practice, implementation science, and multidisciplinary teamwork and safety curriculum development. He trains and collaborates with frontline caregivers on evidence-based practice improvement initiatives in patient safety and quality. Dr. Thompson chairs the institute’s Grand Rounds Committee and sits on its Faculty Review Committee.

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Photo of Anping Xie, Ph.D

Anping Xie, Ph.D.
Assistant Professor of Anesthesiology and Critical Care Medicine

Dr. Xie uses human factors and systems engineering approaches to improve the quality of care and patient safety. Among other topics, his research has focused on improving patient and family engagement, infection prevention, cleaning of hospital rooms, and clinical decision support.

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Photo of Christina Yuan, M.P.H., Ph.D. Assistant Professor of Anesthesiology and Critical Care Medicine

Christina Yuan, M.P.H., Ph.D.
Assistant Professor of Anesthesiology and Critical Care Medicine

Dr. Yuan’s research focuses on the dissemination and implementation of health care innovations, with a special interest in how health care providers influence and learn from one another. She is a member if the institute’s Faculty Review Committee and Research Facilitation Council.

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Meet more Armstrong faculty from across Johns Hopkins

School of Medicine

Dr. Cosgrove is principal investigator on the AHRQ Safety Program for Improving Antibiotic Use, working to prevent antibiotic-related harms.

Dr. Zenilman an international expert in infectious disease epidemiology, directs the Armstrong Institute’s location at Johns Hopkins Bayview Medical Center.

Dr. Newman-Toker directs the institute’s Center for Diagnostic Excellence and is president-elect of the Society to Improve Diagnosis in Medicine.

Dr. Ishii is chief quality officer of the institute’s Clinical Communities program, convening experts across the Johns Hopkins Health System to improve quality and value.

Dr. Haut co-directs the Johns Hopkins Venous Thromboembolism Collaborative, who are leaders in the prevention of dangerous blood clots.

In 2000, Dr. Wu coined the term “second victim” to describe health care professionals who are traumatized by errors. He later co-created a peer-support program to help these workers.

Dr. Sutcliffe is an expert in high-reliability organizations who studies how health care can be designed to be safer and more resilient.

Dr. Kim, Dr. Pitts and Dr. Stewart lead the institute’s Patient Safety and Quality Leadership Academy, a nine-month program that prepares future health care leaders to transform the clinical health care setting.

As part of the program, scholars initiate, plan, lead and evaluate a multidisciplinary health care improvement project at Johns Hopkins.