Q: What other duties and responsibilities can a medical doctor have?
A: This ranges from being a medical hospital director/administrator or Director of Health, Researcher, Principal Medical College, member of the Governing Council, Administrative secretary health, to being head of the regional administration, an entrepreneur, a global leader, Governor, Senator, Judge, Minister, Foreign minister/Secretary, a head of state, or an administrator of an international organization with a global perspective and manifesto.

A global leader, Governor, Senator, Judge, Minister, Foreign minister/Secretary, a head of state, or an administrator of an international organization with a global perspective and manifesto.
What do I have to do?
Medical college, Real world case management experience, plus,
Take a look at this.
Political science
Law
Economics
Police Training
International Business
Computer Science
Mass Communication
Engineering
Psychology
Military Science
Industry specific