Complex sentence: Clare McKenna is a voice-over artist and has been working for TV3 since 2006 and since 2013 she has began a career as television presenter as is currently doing a stint on Ireland AM until Anna Daly returns.
Split into simpler sentences: Clare McKenna is a voice-over artist and has been working for TV3 since 2006. Since 2013, McKenna has began a career as television presenter as is currently a presenter on Ireland AM until Anna Daly returns.