none they just need to be funny. take billy connelly for example, he went to school and left as soon as he could and became a welder. that's all the education he had and he is one of the best...
To become an anesthesiologist, you must complete:
4 years of college, including all medical school pre-requisites 4 years of medical school (MD or DO) 1 year of internship 4 years of anesthesiology...