Researchers

Dr. de Beer received his M.B., Ch. B. from the University of Cape Town, followed by his FCS (SA) Orthopaedics and FRCSC Orthopaedics.  He is an Associate Clinical Professor in the Department of Surgery at McMaster University, Hamilton, Ontario. He r…

Dr. de Beer received his M.B., Ch. B. from the University of Cape Town, followed by his FCS (SA) Orthopaedics and FRCSC Orthopaedics. He is an Associate Clinical Professor in the Department of Surgery at McMaster University, Hamilton, Ontario. He retired from active clinical practice in 2019 after a surgical career focused on primary and revision arthroplasty spanning more than three decades. He continues to be the Director of Research for the Hamilton Arthroplasty Group and has been fulfilling that role since 1997. He has 88 peer-reviewed publications, and his field of interest includes clinical outcomes in total joint arthroplasty and related topics.

Dr. Justin de Beer

Dr. Kim Madden is an assistant professor in the Department of Surgery and the Department of Health Research Methods, Evidence & Impact at McMaster University. She is currently the research methodologist for the orthopaedic research programs at S…

Dr. Kim Madden is an assistant professor in the Department of Surgery and the Department of Health Research Methods, Evidence & Impact at McMaster University. She is currently the research methodologist for the orthopaedic research programs at St. Joseph’s Healthcare Hamilton. Before joining St. Joe’s in 2018, she worked as a clinical trials coordinator in orthopaedic trauma at Hamilton General Hospital since 2010. Dr. Madden has published over 70 studies, including some of the largest orthopaedic trials to date in NEJM, BMJ, and the Lancet. She has extensive experience writing grant applications, designing and conducting large international randomized trials and observational studies, and biostatistics consulting. Dr. Madden completed her undergraduate degree at the University of Waterloo, her master’s and PhD in Health Research Methodology at McMaster University, and an international research term at Deventer Hospital in the Netherlands. She is currently an associate editor for Pilot and Feasibility Studies and Clinical Orthopaedics and Related Research journals and she teaches in the Health Research Methodology graduate program at McMaster.

Dr. Kim Madden

Danielle is a researcher and database manager for the Hamilton Arthroplasty Group.  Her roles include; Clinical Manager, Hamilton Health Sciences Hamilton Arthroplasty Research Group, Juravinski Hospital and Hamilton General Hospital Orthopaedic Cli…

Danielle is a researcher and database manager for the Hamilton Arthroplasty Group. Her roles include; Clinical Manager, Hamilton Health Sciences Hamilton Arthroplasty Research Group, Juravinski Hospital and Hamilton General Hospital Orthopaedic Clinics, MSK Oncology/Rehabilitation Inpatient Unit, HNHB LHIN Musculoskeletal Central Intake and Assessment Centre. She has very strong interest in orthopaedic clinical outcomes research and continuous quality improvement in orthopaedic patient care. She obtained a Masters in Health Research Methodology from McMaster University and plays an integral role in the research produced by the Hamilton Arthroplasty Group.

Danielle Petruccelli