They will follow a person. And that person is you...
So the best place to start creating good instructors is the mirror.
You must look at yourself and ensure that you are what others would aspire to.
Always remember that your employees or instructors will follow you if you are a strong compelling character. Whether you are right or wrong they will follow you. History is littered with strong personalities who led millions in the pursuit of an ideal.
What is the direction you will lead your students?