Complex sentence: Patrick Ness (born October 17,1971) is a British-American author, journalist, lecturer, and screenwriter who moved to London at the age of 28 and now holds dual citizenship.
Split into simpler sentences: Patrick Ness (born October 17,1971) is a British-American author, journalist, lecturer, and screenwriter. He was born in the United States and moved to London at the age of 28, and now holds dual citizenship.