Complex sentence: Dr. Rajesh Patel is the head of the'Patel Corporation', essentially the new billionaire owner of Jurassic Park after John Hammond replaced him and Patel is the main antagonist in the fourth film.
Split into simpler sentences: Dr. Rajesh Patel is the head of the'Patel Corporation', essentially the new billionaire owner of Jurassic Park. Dr. Patel is the main antagonist in the fourth film.