Cameroon captain Stephane Mbia has played for Cameroon at the last two World Cups.
Tunisia's Etoile du Sahel advance in Confederation Cup.
Lorenzen has agreed to play for Uganda, where his parents are from.
TP Mazembe edged into the group stage but Esperance go out.
Andre Ayew says his future depends on a summer discussion.
TP Mazembe are aiming to reach the group stage of Confed Cup.
Fatma Samoura has previously worked for the UN and in the private sector.
Africa's representatives finalised friendly fixtures ahead of the tournament in Rio.
Sierra Leone's Alhaji Kamara cleared to play after heart tests.
Omar Gaber has played nine teams for Egypt.
GROUP A
• 16.05.14: Al Hillal (Sudan) vs TP Mazembe (DR Congo) -:-
• 18.05.14: AS Vita Club (DR Congo) vs Zamalek (Egypt) -:-
GROUP B
• 18.05.14: Esperance (Tunisia) vs Entente Setif (Algeria) -:-
• 18.05.14: CS Sfaxien (Tunisia ) vs Al Ahli Benghazi (Libya) -:-