This chapter delves into the complexities of teaching and evaluating professionalism and emphasizes the importance professional development, focusing on leadership skills, advocacy measures, and ethical considerations. Professional conduct and patient satisfaction are highlighted with a focus on hidden curriculum and its impact on medical education. Additionally, knowledge and skills needed for professional conduct are reviewed and important aspects of curricular development are discussed. Models of adult learning and methods of teaching and evaluation are then presented to support training and curriculum development. Methods of teaching and evaluating professionalism are explored to include peer instruction, problem-based learning, reflection, simulations, observation, and role-modeling. Various self-assessment tools like the Professional Assessment Tool and 360 evaluations are suggested for effective and comprehensive evaluation. This chapter provides a balanced approach of considering the multifaceted nature of teaching and evaluating professionalism, to ensure the successful professional cultivation of well-rounded and ethical physicians in the field.