János Áder is a Hungarian politician who served as the President of Hungary from 2012 to 2022. He is a member of the Fidesz party and previously held the position of Speaker of the National Assembly. Áder has a background in law and has been involved in Hungarian politics for several decades. During his presidency, Áder focused on environmental issues and sustainability, promoting initiatives to combat climate change. He also represented Hungary in various international forums, emphasizing the importance of cooperation among nations. His tenure was marked by efforts to strengthen Hungary's position within the European Union.