Complex sentence: Mary Byrne who would later become the CEO and managing director of Statistical Solutions, lead a buyout of the European subsidiary in 1995 and the former subsidiary became an independent Irish firm by the name of Statistical Solutions.
Split into simpler sentences: Mary Byrne who would later become the CEO and managing director of Statistical Solutions, lead a buyout of the European subsidiary in 1995. Thus the former subsidiary became an independent Irish firm by the name of Statistical Solutions.