Given the input sentence, please extract the subject and object containing a certain relation in the sentence according to the following relation types, in the format of "relation1: word1, word2; relation2: word3, word4". Relations include: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

‹ Why Citigroup should ditch retail banking: Bove PayPal CEO: We need financial democracy Swiss watchdog opens precious metals pricing probe › JPMorgan, Chief Executive Officer Jamie Dimon and former Chief Financial Officer Douglas Braunstein had said shareholders would be unable to show they relied on alleged misstatements about the bank's risk management, or prove damages on a classwide basis.

Answer: position_held: Jamie Dimon, Chief Executive Officer