[3] Jermey was educated at Tonbridge School and then Clare College, Cambridge, before working at J. H. Schroder Wagg & Co. in corporate finance in 1990.

[4] After Madrid, in 2007 Jermey served as UKTI's Managing Director for the Sectors Group, including briefly as head of their Defence and Security Organisation in 2008, and as the acting Chief Executive in 2009.

[3] In 2010, Jermey was appointed Her Majesty's Ambassador to the United Arab Emirates, based in Abu Dhabi, succeeding Edward Oakden.

Jermey was appointed as a Commander of the Royal Victorian Order in November 2010[5] following the state visit of Elizabeth II to the UAE.

[3] At the end of the next year, Jermey was replaced by Sir Nicholas Kay and took up his appointment at ZSL following on from the 13-year tenure of Ralph Armond.