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.

Sundar Pichai, now CEO of Google , epitomises these changes, following on Satya Nadella of Microsoft (not in Silicon Valley, but linked to it nonetheless), Shantanu Narayen of Adobe, and others, going back to pioneers such as Vinod Khosla, Kanwal Rekhi and Suhas Patil.

Answer: employer: Satya Nadella, Microsoft