Take context from the input text and decide on the accurate relationship between 'Eurogroup' and 'Jeroen Dijsselbloem' from the options provided.
Options: subsidiary, chairperson, position held, stock exchange

1619 - The head of the Eurogroup Jeroen Dijsselbloem said he was "certain" there would be problems with Greece in the years to come after the euro zone's bailout fund decided to open talks with Greece on a third bailout programme.
chairperson