Utilize the input text as a context reference, choose the right relationship between 'Eurogroup' and 'Jeroen Dijsselbloem' from the options.
Options: operator, chief executive officer, chairperson, parent organization

Greece's Finance Minister Euclid Tsakalotos (R) and Eurogroup President and Dutch Finance Minister Jeroen Dijsselbloem talk during an Eurogroup meeting at the EU headquarters in Brussels, on August 14, 2015
chairperson