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.

It was last year that Chennakeshu took over as president of BlackBerry Technology Solutions (BTS), a new business unit that brings under one umbrella technology assets likes the QNX embedded software that powers everything from cars to medical equipments, the new Internet of Things application platform called Project Ion, cryptography applications company Certicom and RF antenna tuning firm Paratek along with BlackBerry’s extensive patent portfolio.

Answer: developer: QNX, BlackBerry