Take context from the input text and decide on the accurate relationship between 'Eurogroup' and 'Jeroen Dijsselbloem' from the options provided.
Options: owned by, chairperson, platform, currency

Eurogroup chief Jeroen Dijsselbloem said the "issue of credibility and trust was discussed" by ministers, who are wary of the Greek government's commitment to enacting the new reforms which closely resemble those rejected by voters in a surprise referendum.
chairperson