Complex sentence: Gregory "Greg" Strong (born 5 September 1975) is former English professional footballer who is the Chief Scout of Plymouth Argyle having previously been manager of Rhyl from 2009 until 2015.
Split into simpler sentences: Gregory "Greg" Strong (born 5 September 1975) is a former English professional footballer who is currently the Chief Scout of Plymouth Argyle. He previously was the manager of Rhyl from 2009 until 2015.