Illinois Cardiothoracic Surgery expert witnesses draw on experience from leading centers like Northwestern Medicine, University of Chicago Medicine, and major heart programs serving Chicago, Peoria, and downstate communities. They are board-certified cardiothoracic or congenital heart surgeons practicing in academic hospitals, regional trauma centers, and high-volume cardiac units. Many focus on coronary revascularization, valve repair, aortic surgery, transplant, ECMO, and minimally invasive or robotic procedures. They commonly evaluate standards of care, perioperative decision-making, complication management, and outcomes for diverse Illinois patient populations.