Sweeny earned a Master of Engineering degree at the University of Toronto, where her research focused on image quality in tomosynthesis. Her research includes early work in modeling anatomical clutter and its effect on task-based detectability. She also worked on modeling of patient wait-times for emergency surgery. She earned her MBA in Finance from INSEAD (the #1 ranked global MBA program) and is now employed at M&T Bank in Financial Planning and Analysis, Baltimore MD.