Utilize the input text as a context reference, choose the right relationship between Porter Novelli and public relations from the options. Options: 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.

NEW YORK, Aug. 20, 2015 /PRNewswire/ -- Global public relations leader Porter Novelli (PN) announced that Catherine Fink has joined its New York office as executive vice president, health and wellness.

Answer: industry