This question already has an answer here:
Should professional, occupational and official titles be capped after a person's name?
Mike McCormack, Human Resources Director for the XYZ corporation, resigned on Friday.
If we use the definite article the, do we go lowercase?
Mike McCormack, the human resources director for the XYZ corporation, resigned on Friday.
The human resources director, Mike McCormack, resigned on Friday.
Human Resources Director Mike McCormack resigned on Friday.
Are the four variations of the same sentence punctuated correctly?