I'm not sure if we can find them reliably but we can reliably identify them: you need an engineer (better: a system architect) tinted with things like "usabilit

I'm not sure if we can find them reliably but we can reliably identify them: you need an engineer (better: a system architect) tinted with things like "usability", "UX design" and similar. He or she will be technical enough to drive the development team as a PO and have enough social skills to extract information from the client. A consultant will be fine -- maybe even better than a person from within the client's org.