Twelve faculty in number theory and related areas are training versatile arithmeticians with support from DMS-2231514. We capitalize on our team’s high-energy approach to cutting-edge research, combined with our empathy for student perspectives, to offer a supportive path to successful mathematical research. Special programs for graduate students include the Duke Research Scholars program, the Duke Winter School, and the opportunity to be a part of a Thematic Research team. Undergraduate opportunities include research experiences via Math+ and Millennium prize courses.