Complex sentence: Sherraine Schalm, formerly Sherraine Schalm-MacKay (born June 21,1975), is a top-ranked Canadian Olympic épée fencer, World Cup medal winner, elementary school teacher and author.
Split into simpler sentences: Sherraine Schalm, formerly Sherraine Schalm-MacKay (born June 21,1975), is former a top-ranked Canadian Olympic épée fencer. She is a World Cup medal winner, elementary school teacher and author.