He has this on his verified twitter handle. If they fired him, they became his client. Equity has not denied it. Maybe there is a good reason to doubt him, even if it is not in evidence. I haven't seen it.
Those look like Real Facts. They can't compete with Alternative Facts that lead to the conclusion that:
Dr Ndoom is ivory tower certified fool no serious businesss or gov will LISTEN TO.
The World Bank, Kagame of Rwanda, ... for whom he has been a consultant/advisor/... should come to nipate.org and get properly informed.