Diagnostic errors are a significant patient safety concern, impacting millions of people across the United States each year. Strengthening education and training for all health care professionals involved in the diagnostic process is essential to improving diagnostic accuracy, timeliness of treatment, and patient outcomes. In April 2025, the National Academies Forum on Advancing Diagnostic Excellence hosted a public workshop to examine approaches to strengthening health care professional education and training in diagnosis. Speakers explored key topics such as improving diagnostic reasoning for trainees and educators, promoting the appropriate use of diagnostic tests and technologies, fostering patient-centered communication, and advancing interprofessional collaboration. This Proceedings of a Workshop-In Brief highlights the presentations and discussions that occurred at the workshop.