What is the relationship between 'Eurogroup' and 'Jeroen Dijsselbloem' in the context of the input sentence.
Options: business division, chairperson, employer, parent organization

Eurogroup chief Jeroen Dijsselbloem said Monday the results of Greece's resounding 'No' to further austerity measures has brought Europe "no closer to a solution" to Athens' financial situation.
chairperson