Complex sentence: Sebastian Lukács Gorka (born 1970) is an American military and intelligence analyst, a professor and a member of the national security advisory staff; currently he serves as a deputy assistant to the President of the United States, Donald Trump.
Split into simpler sentences: Sebastian Lukács Gorka (born 1970) is an American military and intelligence analyst, professor and member of the national security advisory staff. He serves as an deputy assistant to the President of the United States, Donald Trump.