Answer
Sokollu Mehmed Pasha served as the Grand Vizier of the Ottoman Empire for 14 years, from 1565 until his assassination in 1579. He was appointed to the position by Sultan Suleiman the Magnificent and continued to serve under Sultans Selim II and Murad III. During his tenure, Sokollu Mehmed Pasha played a crucial role in maintaining the empire's power and stability, implementing significant reforms in the military, administration, and economy.