Mark Valentine, head of packaging and trading for Europe, the Middle East and Africa (EMEA) at Citigroup's multi-asset structuring group in London, has left the US investment bank. SRP confirmed that Valentine left the bank two weeks ago and that no replacement has been announced. Valentine was responsible for institutional clients within the UK trading and packaging team, and reported to Arnold Miyamoto, global head of the multi-asset group and markets quantitative analysis. Valentine joined