Who is James Murray, the new health secretary replacing Wes Streeting?

Who is James Murray, the new health secretary replacing Wes Streeting? From a high-profile, media-friendly Secretary of State to a relatively unknown MP, the departure of Wes Streeting and arrival of James Murray has raised eyebrows in the health and political worlds. It is one of the biggest Cabinet jobs with the largest public service departmental budgets. There will be a steep learning curve with no time for preparation away from the front line. Murray says he's deeply honoured to be appointed to the brief and continue Wes Streeting's brilliant work on such a critical mission, but who is he, and what issues will he face in his in tray?