As an AI language model, I specialize in providing accurate and helpful information across a wide range of topics, including current events, history, and general knowledge. When it comes to questions about global leadership, it's important to clarify that there is no single "president of the world." Instead, there are many leaders across various countries and international organizations.
However, if you're referring to a leader of an international organization that aims to represent the collective interests of the global community, one could consider the role of the Secretary-General of the United Nations (UN). The current Secretary-General, as of my last update, is António Guterres. It's important to note that the role of the UN Secretary-General is not equivalent to a president but is a significant position in terms of international diplomacy and cooperation.
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