Swiss Institute Australia provides BSB50420 Diploma of Leadership and Management Course in Australia. BSB50420 course, Diploma of Leadership and Management course. The Swiss Institute provides a wide range of opportunities for personal and professional development tailored to your needs. We offer a number of flexible leadership and management programs to help individuals and organizations achieve their goals. From leadership and management training to leadership programs, we have the ability to offer a wide range of programs for different types of groups and organizations.