Utilize the input text as a context reference, choose the right relationship between Marc Benioff and Salesforce.com 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.

Uber Technologies Inc. Chief Executive Travis Kalanick avoided providing many particulars in a public discussion with Salesforce.com Inc. CEO Marc Benioff on Wednesday, instead sticking to general talking points.

Answer: employer