Guðni Th. Jóhannesson is an Icelandic politician and historian who has served as the President of Iceland since 2016. He was born on June 26, 1968, in Reykjavík, and has a background in history, holding a Ph.D. from University College London. Before his presidency, he was a professor at the University of Iceland. As president, Guðni has focused on promoting democracy, social issues, and environmental sustainability. He is known for his approachable style and has played a role in fostering national unity. His presidency has been marked by a commitment to transparency and public engagement in governance.