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.

JPMorgan Chase & Co.’s chief executive officer told analysts Tuesday that he may stop participating in the firm’s quarterly earnings conference call, letting Chief Financial Officer Marianne Lake do all the talking from now on.

Answer: employer: Marianne Lake, JPMorgan Chase