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

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