Complex sentence: On 16 February 2009, Fitzmaurice started presenting the "Drivetime" show on Liverpool's Radio City 96.7, however, due to extensive film and television commitments, he left this position on 4 March 2011.
Split into simpler sentences: On 16 February 2009, Fitzmaurice started presenting the "Drivetime" show on Liverpool's Radio City 96.7,. However, due to extensive film and television commitments, he left this position on 4 March 2011.