Catherine Samba-Panza was the interim President of the Central African Republic in 2015. She took office on 2014 January 23, serving until 2016 March 30. She is the first woman to hold this post.
Alexander Lukashenko was the President of Belarus in 2015, and has been President since taking power in 1994 July 20. He is the first and only president Belarus has had since becoming a Republic, as previously their leader was the Chairman of the Supreme Soviet.
Xi Jinping (习近平) was the President of China (People's Republic of China) in 2015. He took power in 2013 March 14.Li Keqiang(李克强) was the Premier of the State Council.
Barack Hussein Obama is the president of the US in 2015
Simonetta Sommaruga is what is known as the President of the Swiss Confederation for 2015.
Ashraf Ghani was the President of the Islamic Republic of Afghanistan in 2015. He has been in office since 2014 September 29. After a controversial election in 2014, Ghani brokered a deal with opponent Abdullah Abdullah in which Abdullah became the Chief Executive of Afghanistan, a newly created position.
2015
Abdul Hamid was the President of Bangladesh in 2015. He was elected President on April 22, 2013 after serving as Acting President following the death of President Zillur Rahman on March 20, 2013.
David Granger became the president of Guyana in 2015.
François Hollande
Morocco.
Ilham Aliyev was the President of Azerbaijan in 2015, having assumed office on 2003 October 31. He is currently serving his third 5-year term as President of Azerbaijan.
Jorge Carlos de Almeida Fonseca was the President of Cape Verde in 2015. Fonseca became the 4th President of Cape Verde on 2011 September 9.