Utilize the input text as a context reference, choose the right relationship between WWE and Vince McMahon 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.

Meanwhile, WWE Chairman and CEO Vince McMahon said that Piper was one of the most entertaining, controversial and bombastic performers ever in WWE, and had a massive global fan following.

Answer: chief_executive_officer