Declan Costello, representing the European Commission in the institutions’ missions in Athens, stressed on Thursday the need for the Europeans to meet their commitments regarding Greek debt relief and proceed with an agreement on a series of front-load measures to ease the country’s public debt.

Declan Costello, a spokesman for the European Commission, has been in favor of Greece's strict oversight for years after an exit from the memorandum, in order to implement necessary reforms.

Irishman, Declan Costello, will replace German Mattias Mors as head of the European Commission's delegation in the Troika. Declan Costello will take up his new post on 1 May, replacing Mattias Mors.