Ratika Parkash is a leading researcher in the field of cardiovascular disease prevention and interventional research. Holding the position of Professor in the Division of Cardiology at Dalhousie University, she focuses on outcomes in clinical trials related to atrial fibrillation and cardiac implantable electrical devices. Parkash has previously served as Chair of the Canadian Heart Rhythm Society Device Committee, where she led significant research on the Riata device by St. Jude Medical in Canada. Her work on a retrospective survey regarding the Riata device garnered publication in the journal Heart Rhythm in 2013. Dr. Parkash is the principal investigator and main author of a CIHR-funded multi-center clinical trial, Atrial Substrate Modification for Aggressive Blood Pressure Lowering to Prevent Atrial Fibrillation, which examines the effectiveness of aggressive blood pressure management in patients undergoing catheter ablation for atrial fibrillation. She also collaborates on the IMPACT-AF study, contributing her expertise to advancing cardiology research and improving patient care.