What is the relationship between Pacific Life and Insurance in the context of the input sentence. Choose an answer from: 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.

Tod Nasser, the investment head of Pacific Life Insurance Company, stresses that the markets have tumbled mainly due to fundamental concerns, but also argues that risk parity has aggravated the recent turbulence.

Answer: industry