Complex sentence: Dr. George K. Simon, Jr., Ph.D. received his degree in clinical psychology from Texas Tech University and has studied and worked with manipulators and other disturbed characters and their victims for many years.
Split into simpler sentences: Dr. George K. Simon, Jr., Ph.D. received his degree in clinical psychology from Texas Tech University. He has studied and worked with manipulators and other disturbed characters and their victims for many years.