Warren buffett is the ceo of what company?

Warren Buffet is the CEO of Berkshire Hathaway.

Explanation:

Berkshire Hathaway is a conglomerate holding company – which means the company owns other companies. There are more than dozens of brands that are owned by Berkshire Hathaway, with some notable ones including Dairy Queen, GEICO, and Duracell. Berkshire Hathaway is also a minority shareholder at several other American companies, such as Kraft Heinz America and Wells Fargo.  

the answer is b hope you pass

answer; intellectual property protection;