By Melodie Warner

Coca-Cola Co. (KO) will reorganize its operating structure around three major businesses, starting Jan. 1, in an effort to better address the changing demands of its marketplace.

The world's largest beverage company has seen its results challenged by Americans reducing their soft-drink consumption and pockets of economic uncertainty, such as Europe and China.

The company said its new structure will be composed of Coca-Cola International, Coca-Cola Americas and Bottling Investments Group.

Coke named Ahmet Bozer president of Coca-Cola International, which will include the company's Europe, Pacific and Eurasia & Africa operations. Mr. Bozer, 52 years old, is currently president of the Eurasia & Africa group and is a 22-year veteran of company.

The company named Steve Cahillane president of Coca-Cola Americas, which will encompass North America and Latin America operations. Mr. Cahillane, 47, joined the company in 2010 as president and chief executive of Coca-Cola Refreshments, his current post. He has more than 20 years of internationalbeverage sales, marketing and distribution experience.

Irial Finan, 55, will continue as president of Bottling Investments Group, which oversees the company-owned bottling operations outside of North America. He has more than 30 years of experience in the Coca-Cola system.