Complex sentence: Christopher R. Sharpley is the Acting Inspector General of the Central Intelligence Agency (CIA) since 2015, he has been nominated by President Donald Trump in September 2017 to become Inspector General of the CIA.
Split into simpler sentences: Christopher R. Sharpley is the Acting Inspector General of the Central Intelligence Agency (CIA) since 2015. He was nominated by President Donald Trump in September 2017 to become Inspector General of the CIA.