Because some times introverts are better at doing a specific job, regardless of whether it is based on team work or not.
	
		
			
		
		
	
				
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Because some times introverts are better at doing a specific job, regardless of whether it is based on team work or not.
Interesting how introverts insert themselves into team-oriented things but expect to get away with intentional separation. Like hypocrisy; they 'want it both ways' as they say.
As an employer, I don't particularly care if you are in introvert or extrovert as long as it doesn't interfere with you doing your job. You can refuse to answer texts, emails or phone calls in your private life, but if you refuse to respond to me or my manager or your supervisor, you are gone, assuming we have tried to work through your issues first. This is your career and your employer is not running a daycare service.
But do they know that it is extremely rude and socially inappropriate …

Maybe he's not an introvert maybe he just doesn't like you.

It is worth noting that we are reading one man's interpretation of events, with no input from the other person.
I'd feel uneasy about passing judgement when the other person has not been heard.
I suspect your situation is rooted more to your company’s corporate hierarchy than it is introversion. [The guy with seniority] does not allow social norms to interrupt the demonstration of his authority.

...Aren't we constantly wondering what's going on in any other person's head?
^
...We constantly wonder—
1. when we are physically attracted to them, or
2. when we are forced to be in their company at work.
... It seems like most human interactions require some knowledge of the intended receiving party's ideology....
I'm sure what you feel is very similar to what he feels.
You don't think that the team needs to know your progress?
The "team" is relying on me to get the job done Right, and on Time.
The "team", for the sake of all of our success, should stop bugging me when I'm busy, actually working on the project, rather than talking about it, and interrupting the very progress they are so intent upon.
The "team" should not be a Barrier, or the cause of Defects through distraction.
Process Management should stay out of the way of "rubber hits the road" Progress, especially under deadline! If you give someone an assignment, leave them alone to get it Done, not just visualized!
This is coming from someone who was in Management for several years. I am TOO familiar with ISO, 6-S, Lean, Flowcharts, War Rooms, Documented SOPs, etc., etc., etc., ad infinitum. Though there is a place, and value, though not Added Value, in all that, when it gets "down", or, in my opinion "up", to the level of those who are making things Actually Happen, rather than analyzing, pontificating, and projecting, Management should know when to get the heck out of the way!
I voluntarily went back into Production where I could actually DO something.
The question shouldn't be whether your employee is reacting to You. The question should be whether he's doing a good job, and delivering a solid product to your clients.
Your internal communications pale in comparison to what your clients will let you know!
Frustrating for You? Definitely. Productive and Successful completing the project? That's the only thing that really counts.
If he's good at what he does, be wise enough to stay out of his way.
