Complex sentence: Prior to GNC, Archbold served as chief executive officer of Talbots from August 2012 to August 2014, and as the president of The Vitamin Shoppe from April 2011 to June 2012.
Split into simpler sentences: Prior to GNC, Archbold served as chief executive officer of Talbots from August 2012 to August 2014. He also served as the president of The Vitamin Shoppe from April 2011 to June 2012.