Executive Leadership

Margaret M. Van Bree, MHA, DrPH
President, Rhode Island Hospital and its Hasbro Children's Hospital

Margaret M. Van Bree, MHA, DrPH is president of Rhode Island Hospital and its pediatric division, Hasbro Children’s Hospital.  Dr. Van Bree also has responsibility for psychiatry and behavioral health services, including Bradley Hospital, the state’s only child psychiatric hospital, and Gateway Healthcare, a community mental health organization. Prior to joining Rhode Island Hospital in January 2015, Dr. Van Bree was senior vice president and chief executive officer for St. Luke’s Medical Center in Houston, Texas.  She has also been chief operating officer at the University of Wisconsin Hospital and Clinics, the University of Virginia Health System, the University of Minnesota Medical Center and the University of Minnesota Masonic Children’s Hospital. She is a fellow of the American College of Healthcare Executives, a member of the Standards Committee of the Commission on the Accreditation of Healthcare Management Education, and on the boards of Bryant University, Providence Chamber of Commerce, the University of Minnesota MHA Alumni Association/Foundation, and Crossroads Rhode Island.  She earned a doctor of public health in health systems management from Tulane University, a masters in health care administration from the University of Minnesota, and a bachelor of science in community health education from the University of Wisconsin-La Crosse.

Mamie Wakefield
Executive Vice President and Chief Financial Officer, Lifespan

Mary Wakefield is Executive Vice President and Chief Financial Officer of Lifespan Corporation. Prior to her current position she was Vice President of Finance for Lifespan Corporation and Chief Financial Officer hospitals (1997-2005). Before joining Lifespan, she worked for KPMG LLP as an audit partner, specializing in health care clients during the last five years of her tenure. She received her bachelor’s degree from Michigan State University and is a certified public accountant.

Pediatrician-in-Chief and Medical Director, Hasbro Children's Hospital

Phyllis A. Dennery, MD, FAAP, is pediatrician-in-chief at Rhode Island Hospital and medical director of Hasbro Children’s Hospital. She is the Sylvia Kay Hassenfeld professor and the chair of pediatrics at The Warren Alpert Medical School of Brown University, where she also is a professor of molecular biology, cell biology, and biochemistry. Previously, she served as director of neonatology research and associate division chief at Stanford University, and as division chief in neonatology at Children’s Hospital and the University of Pennsylvania.

Dr. Dennery’s research has been consistently funded by the National Institutes of Health and her work has been published in top-tier medical journals. Her research is focused on oxidative stress-mediated neonatal lung gene regulation and on hyperoxic lung injury and repair. Her clinical interests are in neonatal jaundice, bronchopulmonary dysplasia, and the long-term consequences of prematurity, as well as in improving pediatric health through community engagement.

Dr. Dennery is the recipient of many awards and honors, including the Ross Young Investigator Award from the Western Society of Pediatrics, the Alfred Stengel Health System Champion Award from the University of Pennsylvania, an honorary doctorate of science from Ursinus College, election to the National Academy of Medicine and an appointment to the Secretary of Health and Human Services Advisory Committee on Infant Mortality, among many others.

She is an active member of many professional and scientific societies, including the American Society of Clinical Investigation, the American Thoracic Society and the American Pediatric Society. Dr. Dennery served as president of the Society for Pediatric Research and the International Pediatric Research Foundation. She is now president of the Society for Redox Biology and Medicine and the North American president of the International Perinatal Collegium.

Tracey Wallace, MBA, CMPE
Vice President of Pediatric Services, Hasbro Children's Hospital

Tracey L. Wallace, MBA, CMPE, is the vice president of pediatric services at Lifespan. She provides system leadership and oversight for the operations of Lifespan’s pediatric service lines, including Bradley Hospital and Hasbro Children’s Hospital. She received her bachelor’s degree in economics from Westfield State College before earning her master’s degree in business administration with a concentration in health care from Salve Regina University. She is on the board of directors for the Providence Ronald McDonald House, she is a nominee for the American College of Healthcare Executives, and a member of the American Academy of Medical Practice Executives and the Healthcare Financial Management Association.

Pediatric Surgeon-in-Chief and Division Chief of Pediatric Surgery, Hasbro Children's Hospital

Francois Luks, MD, PhD, is pediatric surgeon-in-chief and division chief of pediatric surgery at Hasbro Children’s Hospital. 

Dr. Luks earned his bachelor’s degree from Rijksuniversitair Centrum Antwerpen, his medical degree from Universitaire Instelling Antwerpen, and his PhD in medical sciences from Catholic University Leuven, all in his native Belgium. He completed his residency in general surgery at Catholic Medical Center of Brooklyn and Queens (NY), then a residency in pediatric surgery at Hospital Ste-Justine in Montreal. He spent two years on a research fellowship through Catholic University of Leuven before joining both Hasbro and Women & Infants as Attending Surgeon in 1994. 

Dr. Luks has taken on progressively senior management roles at Hasbro, serving as director for trauma in the PICU for 15 years from 1995 to 2010, then subsequently director of trauma for the whole of Hasbro Children’s Hospital. He has served on and led more than a dozen standing and ad hoc committees at the hospital, from those in his specialty like the Pediatric Trauma Patient Care Committee, which he chaired, to those addressing issues in the broader hospital community, such as the Rhode Island Hospital Strategic Planning Committee. He has also continued to serve concurrently as attending surgeon at Women & Infants, and for several years each as attending surgeon at Morton Hospital (Taunton, MA) and New England Medical Center (Boston, MA). He also operates at St. Anne's Hospital in Fall River, MA. 

His research interests include fetal development and fetal surgery, and in particular the etiology of twin-to-twin transfusion syndrome. He was the site principal investigator for the first randomized study on endoscopic fetal surgery for this syndrome; the Brown Fetal Treatment Program was the only North American center participating in the study. The program is a founding member of the North American Fetal Treatment Network (NAFTNet); Dr. Luks has been a member of its Executive Committee since 2007.

Dr. Luks has published and presented widely, with more than 120 peer-reviewed publications and book chapters and more than 100 abstracts. He has served The Warren Alpert Medical School of Brown University for his entire 25 years in Providence, currently as director of the Program in Fetal Medicine, and professor of surgery, pediatrics and obstetrics & gynecology. Throughout the course of his time at Brown he has served as independent course director, faculty sponsor and thesis director to numerous promising medical students.

Joseph Pannozzo
Vice President and Chief Development Officer, Lifespan

Joe Pannozzo is vice president and chief development officer at Rhode Island Hospital and Hasbro Children’s Hospital.  He leads a comprehensive team of professionals focused on raising funds for clinical care and programs, research and facilities. He is the lead staff to the Rhode Island Hospital Foundation.  Joe has 20+ years of experience working in the philanthropic sector.  Prior to his current role, Joe held senior fundraising positions at Beth Israel Deaconess Medical Center, Tufts Medical Center and Stonehill College.