Complex sentence: Seldon himself is reluctant to accept the position because of its time constraints pulling him away from the psychohistory project led by Seldon, Yugo Amaryl, and Seldon's advanced humaniform robot-spouse Dors Vinabli.
Split into simpler sentences: Seldon himself is reluctant to accept the position because of its time constraints pulling him away from the psychohistory project. The project is led by Seldon, Yugo Amaryl, and Seldon's advanced humaniform robot-spouse Dors Vinabli.