Complex sentence: Professor Barton is a priest in the Church of England (ordained 1973) and from 2000 to 2005 and from 2009 to 2010 served on the Church's General Synod, representing the clergy of the University of Oxford.
Split into simpler sentences: Professor Barton is a priest in the Church of England (ordained 1973). From 2000 to 2005 and from 2009 to 2010 he served on the Church's General Synod representing the clergy of the University of Oxford.