Who We Are

Research Team

Columbia University School of Nursing

Jingjing Shang, PhD, RN, OCN, FAAN

Jingjing Shang is a professor of nursing at Columbia University School of Nursing. Her research focuses on infection prevention and control in various health care settings (including home health care), cancer patient outcomes, and nursing workforce. As the principal investigator, Shang oversees all aspects of this study, in collaboration with Patricia Stone at Columbia Nursing and Andrew Dick at RAND, and co-leads the Columbia Nursing team.

Patricia Stone, PhD, MPH, RN, FAAN, CIC 

Patricia Stone is the Centennial Professor of Health Policy and Director of the Center for Health Policy at CUSON. Her program of research is aimed at understanding cost and quality outcomes, specifically health care-associated infections (HAI). As co-principal investigator (co-PI), Stone oversees all aspects of this study, in collaboration with Jingjing Shang at CUSON and Andrew Dick at RAND, and co-leads the Columbia Nursing team.

E. Yoko Furuya, MD, MS

Yoko Furuya is the Medical Director of Infection Prevention and Control in NewYork-Presbyterian Hospital. She serves as the clinical infectious disease physician on this study.

Ashley Chastain, DrPH, MPH

Ashley Chastain serves as the project director for this study.

Uduwanage Gayani Perera, PhD, MS

Gayani Perera has a PhD in Physics from Ohio University and an MS in Data Science at Columbia University. She serves as the data manager on the study.


RAND Corporation

Andrew Dick, PhD

Andrew Dick is a Senior Health Economist at the RAND Corporation. He has expertise in the development of methods and empirical applications of quality assessment with a focus on applied econometric methods for drawing casual inference. As co-PI, he oversees all aspects of this study, in collaboration with Drs. Jingjing Shang and Patricia Stone at CUSON, and leads the RAND team.

Mark Sorbero, MS

Mark Sorbero is a Senior Analyst at the RAND Corporation. He serves as the lead programmer at RAND for this study.

Tadeja Gracner, PhD, MS

Tadeja Gracner is an Associate Economist at the RAND Corporation and is a statistician on this study.


Thomas Jefferson University

Monika Pogorzelska-Maziarz, PhD, MPH, CIC

Monika Pogorzelska-Maziarz is an assistant professor in the Jefferson College of Nursing, where her research focuses on improving patient safety and quality of care, specifically prevention of health care-associated infections across different health care settings. She is a co-investigator on this study.


Expert Consultants

Elizabeth Madigan, PhD, RN, FAAN

Elizabeth Madigan is the chief executive officer of Sigma Theta Tau International (STTI). Her research interests include: home health care issues, the use of technology to improve chronic disease outcomes, and international health care issues. She serves as an expert consultant on this study.


Advisory Board

Maureen Dailey, PhD, RN, CWOCN, FAAN

Maureen Dailey is a health care quality consultant at Daileysolution. She is a methodological and home health care policy expert.

Andrea Devoti, RN, MSN, MBA, CHCE

Andrea Devoti is the Executive Vice President of the National Association of Home Care & Hospice. She is a thought leader in the field of home health care.

Irena L. Kenneley, PhD, RN, CNE, CIC, FAPIC

Irena Kenneley is an Associate Professor in the Frances Payne Bolton School of Nursing, Case Western University. Dr. Kenneley is a thought leader in the field of infection prevention and control in home health care and a methodological expert. She is also a certified infection control specialist.

Mary McGoldrick, MS, RN, CRNI, FAAN

Mary McGoldrick is the founder of and a Home Care and Hospice Consultant for Home Health Systems, Inc. She has been in the field of quality and infection prevention for over 35 years. Ms. McGoldrick is a thought leader in the field of infection prevention and control in home health care.