Sayyed Mohammad Hosseini Beheshti was an Iranian jurist, philosopher, cleric and politician who was known as the second person in the political hierarchy of Iran after the Revolution. Beheshti is considered to have been the primary architect of Iran's post-revolution constitution, as well as the administrative structure of the Islamic republic. Beheshti is also known to have selected and trained several prominent politicians in the Islamic Republic, such as former presidents Hassan Rouhani and Mohammad Khatami, Ali Akbar Velayati, Mohammad Javad Larijani, Ali Fallahian, and Mostafa Pourmohammadi. Beheshti also served as the Secretary General of the Islamic Republic Party, and was the head of the Iranian judicial system. He further served as Chairman of the Council of Islamic Revolution, and the Assembly of Experts. Beheshti earned a PhD in philosophy, and was fluent in English, German and Arabic.

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.