Complex sentence: She co-presented the BBC factual series "Bang Goes the Theory" from 2009 until 2014 and since 2013, has co-presented "Countrywise" for ITV.
Split into simpler sentences: She co-presented the BBC factual series "Bang Goes the Theory" from 2009 to 2014. Since 2013, has co-hosted "Countrywise" for ITV.