In the context of the input sentence, determine the relationship between 'Arundhati Bhattacharya' and 'chairperson'.
Options: headquarters location, chief executive officer, developer, position held

MUMBAI: State Bank chairperson Arundhati Bhattacharya today said bank credit is not picking up despite the seeming revival in the economy, adding that an improvement is not likely before the March quarter.
position held