Hassan Rouhani is an Iranian Islamist politician who served as the seventh president of Iran from 2013 to 2021. He is also a sharia lawyer ("Wakil"), academic, former diplomat and Islamic cleric. He has been a member of Iran's Assembly of Experts since 1999. He was a member of the Expediency Council from 1991 to 2021, and also was a member of the Supreme National Security Council from 1989 to 2021. Rouhani was deputy speaker of the fourth and fifth terms of the Parliament of Iran (Majlis) and Secretary of the Supreme National Security Council from 1989 to 2005. In the latter capacity, he was the country's top negotiator with the EU three, UK, France, and Germany, on nuclear technology in Iran, and has also served as a Shia mujtahid, and economic trade negotiator.

The president of Iran is the head of government of the Islamic Republic of Iran. The president is the second highest-ranking official of Iran after the Supreme Leader.