Thank you for your response. It was not my intention to randomly tag a question. Because, first, neither in the topic nor in the question I did not notice that this is about Tier 1 Entrepreneur. Second, based on the Cambridge file, any combination of these 4 types of visas could be considered for a ...

In the Cambridge University website, there is a pdf file: "Indefinite Leave to Remain: Guidance for current and prospective staff" and it is written that: "Eligibility for settlement after five years requires that you have held any combination of the following types of visas continuously for a perio...