Ms Carden said of her appointment: 'It's an exciting challenge to be joining at a time when Petra is entering the UK market and being a part of that journey.'
European development director Martin Alkenbokum commented: 'Appointing Melissa is an important first step in our recruitment programme for the development of the UK market and we look forward to strengthening our position further in the near future.'
Ms Carden will support Petra in its strategic development of the UK market.