During his tenure, he wrote letters to the Secretary of State, Sir Robert Cecil, about the actions of the Persian ambassador while in Constantinople, and the relationship between the Sultan and the Tsar of Russia.
[5] The gift was intended to outshine overtures being made to the Sultan by Germany, France and other European nations in pursuit of trading rights in Ottoman territory.
[14] But with the recent victories on the battlefield by Prince Michael the Brave, the English became afraid of losing influence in the region, which would have changed the tax advantages they had been granted by the Ottomans for the commercial roads to India.
[14] Lello had been previously involved with prince Stephen the Great, whom he had helped gaining the throne of Moldavia with Queen Elizabeth Tudor, before being put in jail by the Ottomans.
[14] Toward the end of Lello's tenure, King James I of England replaced Elizabeth I and his views on Anglo-Ottoman diplomatic relations were different, not having much of an interest in securing peace between the Habsburgs and the Sultan.