Career
Pielat joined the Dutch East India Company and worked his way up to opperkoopman (upper-merchant) in the Dutch Indies. From at least 1720 he was captain and charged with the military accompaniment of goods from Patna to the Dutch factory in Hugly in Dutch Bengal. After a period of being secunde ("vice-governor") in Ternate, he succeeded Stephanus Versluys as governor of Amboina from 1728/29 to 1731.
Subsequently, he was appointed Extraordinary Councillor of India. and in 1732 he became governor of Ceylon, again succeeding Versluys.
After his term as governor he left the customary "memoir" for his successor, Diederik van Domburg, and returned to the Netherlands where he would die 8 years later. He was buried on 6 August 1740 in The Hague.
