Monsanto Company is a publicly traded America multinational agrochemical and agricultural biotechnology corporation, it is one of the most important multinationals in the world and it is a leading producer of genetically modified organisms. The company holds a dominant position in the global market of herbicides and genetically engineered seeds and for this reason, it has made itself a controversial corporation and the target of ongoing campaigns including annual March Against Monsanto actions in hundreds of cities around the world. Monsanto's role in agricultural changes, biotechnology products, and lobbying of government agencies, along with its history as a chemical company have brought the company on the first pages of all the newspapers in the world. The aim of the present book is to analyze the company structure and its role in global food market. A close analysis will also try to underline the reasons why the company has become such a controversial topic during the years.