Two changes involved units of the Leo Burnett Company in Chicago.

The previous agency was the Leo Burnett Company of Toronto.

The Leo Burnett Company in Chicago will create the television ads.

It later moved the account to the Leo Burnett Company.

Before that, he was a senior vice president and creative director at the Leo Burnett Company in Chicago.

By the end of the 1950s, the Leo Burnett Company was billing 100 million dollars annually.

The Leo Burnett Company is famous for its employee retention.

He was once a vice chairman and chief operating officer of the Leo Burnett Company.

The Leo Burnett Company was third with 15 awards.

Today, the Leo Burnett Company is the world's 14th-largest agency.