I have been in the IT business for thirty years in Silicon Valley and have interviewed hundreds of candidates, not one of them was black. I can count on one hand the number of blacks I have worked with in that period of time.

Black college students are over represented in low earning majors. Blacks that focus on high paying majors go into law, medicine, or business. If black leaders want more black IT executives, they need to push black kids into IT related careers.

https://cew.georgetown.edu/cew-reports/african-american-majo...

>I worked at some places with a lower manager that just seemed to have it in for the staff black IT person for no discernible reason

That mentality can be seen in anybody. When I did consulting in the late 1990s, I had a client company where an Indian manager refused to promote or hire non-Indians. Same company, an engineer from Taiwan gave bad marks on interviews if the candidate was of Korean descent. He told me, "I won't work with gooks."