Oruç Reis
He took service under Ottoman Empire as a captain. He then worked in Egypt under Mamluk rule and after the death of Kemal Reis in 1511, he sailed to Barbary coast (North West Africa) to attend the forces of Oruç Reis, an Ottoman privater who had established his own state. He took part in the conquest of Algiers in 1516. After the death of Oruç Reis in 1518, Oruç's brother Hayreddin Barbarossa voluntarily accepted the suzerainty of the Ottoman sultan Selim I . So Aydın Reis returned to Ottoman service.