President Mohammed Morsi: Took office June 30, 2012, as Egypt’s first democratically elected president. After his ouster Wednesday, Morsi wrote on Twitter: “Measures announced by Armed Forces leadership represent a full coup categorically rejected by all the free men of our nation.”

Gen. Abdel-Fattah el-Sissi: Morsi-appointed defense minister and commander in chief of the Egyptian military who announced Morsi’s ouster, saying the chief of Egypt’s Supreme Constitutional Court “will assume the presidency” on an interim basis until a new presidential election is held.

Supreme Council of the Armed Forces: The group of senior military officers that el-Sissi heads. Sissi had said Monday that he would give the president and his opponents 48 hours to resolve their differences before the military implemented its own “road map.”

Mohamed ElBaradei: A liberal opposition-group leader, he is a Nobel Prize-winning former United Nations bureaucrat.

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Muslim Brotherhood: Morsi is the former head of the Muslim Brotherhood’s political arm, the Freedom and Justice Party; its members back Morsi. The Brotherhood was founded in 1928, advocating rule by Shariah, or Islamic law, and grew into Egypt’s most organized, disciplined and widespread political group, with millions of members nationwide and branches across the Islamic world.

Mohammed Badie: At the top of the Brotherhood, he is the “general guide.” The group’s executive leadership body is the Guidance Council, made up of 16-19 members. The general guide and the guidance council are chosen by the Shoura Council, the group’s version of a legislature, made up of 75-90 members selected by regional councils nationwide.

Khairat el-Shater: The man believed to be the most powerful member of the Shoura is Badie’s deputy, a wealthy businessman who was initially the Brotherhood’s candidate for president until he was disqualified.

Tamarod: The group helped organize the massive demonstrations that spurred the military to say it would act. It says it collected more than 22 million signatures in a nationwide petition to push Morsi out of office.

Sheik Ahmed el-Tayeb: The sheik of Al-Azhar, he is the top Sunni sheik. He spoke after el-Sissi’s announcement.

Pope Tawadros II: The leader of the Egyptian Coptic Orthodox church; the Egyptian army consulted him on how to end the crisis. He also spoke after el-Sissi’s announcement.

Material from The Associated Press is included in this report