Tariq al-Fadhli (b. 1967) is a member of the influential al-Fadhli tribe of south Yemen, which lost its traditional landholdings to the communist regime there.

Muhammad al-Yadumi (b. 1947) is the current leader of Islah following the death of Abdullah al-Ahmar in 2007 and represents the Yemeni Muslim Brotherhood. Following his 1973 graduation from Egyptian police academy, Yadumi worked in political security and intelligence before founding “al-Sahwa,” the newspaper which is considered the voice of modern Islamism in Yemen, in 1985.

Sheikh Abdul Majid al-Zindani (b. 1938) is a co-founder of Islah and heads the Salafi wing in Islah. Zindani lived in Saudi Arabia from 1976 until 1990, where he studied and was influenced by the Salafi and Wahhabi mental landscape of the country.

Ali Mohsen al-Ahmar (b. 1945) was major general and the top-ranking military commander under Ali Abdullah Saleh, as well as a wealthy businessman with strong ties to Saudi Arabia and the oil trade.

Abdullah bin Hussein al-Ahmar (1933-2007) was the head of Islah from its foundation until his death from cancer in 2007, as well as heading the powerful Hashid tribal confederation to which Saleh belonged.

Mohamed Saad El-Katatny (b. 3 April 1952 in Egypt) is the chairman of the Freedom and Justice Party (FJP) and a former member of the Guidance Bureau of the Egyptian Muslim Brotherhood. He holds a Phd (1983) in Microbiology from Minia University where he remained as a lecturer and later on as a professor.

Shabbir Ahmad Usmani (1886-1949) was an Islamic scholar who supported the creation of Pakistan and also founded the Jamiat Ulema-e-Islam (JUI) in 1945. After the partition of India, Usmani became a member of the constituent assembly of Pakistan and remained a member until his death.

Maulana Mufti Mahmood (1919-1980) was the father of Maulana Fazlur Rehman of the JUI (F). During the 1940s he was an ally of the Indian national congress and opposed the creation of Pakistan. Even after the creation of Pakistan he contiued to oppose the Muslim League. He was arressted in 1956 due to strong opposition to Ayub Khan.

Fazlur Rehman (b. June 19, 1953) heads the pro-Taliban Jamiat-Ulema-i-Islam-Fazlur Rehman (JUI-F) a faction of the Deobandi Jamiat-ul Ulema-i-Islam (JUI) party formed in November 1945. His father, Maulana Mufti Mahmoud, was an Islamic scholar and politician who was the North West Frontier Provinces (NWFP)'s chief minister in the 1970s.

Muhammad Talha Mahmood Aryan was appointed member of the senate in 2006 for a six year term and then elected once again in 2012 for another six year term.