The PhD program in Nuclear Engineering and Radiological Sciences prepares students to lead transformative research in fields critical to energy, health, security, and the environment. With access to world-class faculty, cutting-edge laboratories, and interdisciplinary collaboration across engineering, science, and public policy, students in the program are equipped to tackle some of the most pressing scientific and technological challenges of our time. Whether working on advanced reactor design, nuclear materials, plasma science, radiation detection, or medical physics, PhD students engage in original research that pushes the boundaries of knowledge and drives innovation across academia, industry, and government. Beyond research, the program offers a rich ecosystem for professional and personal development. Doctoral students receive individualized mentorship, participate in global collaborations, and gain valuable teaching experience. They are supported by a strong network of alumni, research centers, and national lab partnerships, and many are recognized with prestigious fellowships and awards. Whether their path leads to academia, national laboratories, policymaking, or entrepreneurship, graduates of the NERS PhD program leave with the expertise, leadership skills, and vision to shape the future of nuclear science and engineering.