It depends, if you are directing only another person or two, which actually is/are actually colleague(s) "Technical Director" sounds also pretentious (to me at

It depends, if you are directing only another person or two, which actually is/are actually colleague(s) "Technical Director" sounds also pretentious (to me at least). There is nothing bad in being few/small, of course but I often have this impression that the smaller the company is the more resounding are titles on business cards.