The head of credit for public markets at the UK's biggest pension fund, the £49 billion Universities Superannuation Scheme, and a Financial News Rising Star in 2012, is leaving to pursue political ambitions.

In a note circulated to clients and contacts on May 13, Leandros Kalisperas said that "after six wonderful years" at USS, he had decided to move on to "reconnect with my political interests and potential aspirations".