Complex sentence: On January 5 2004, Zander was selected by the Motorola board of directors to succeed Chris Galvin who retired in September of 2003, ending a three generation reign of his family at the head of the electronics giant.
Split into simpler sentences: On January 5 2004, Zander was selected by the Motorola board of directors to succeed Chris Galvin. Galvin's retirement was announced in September of 2003 and ended a three generation reign of his family at the head of the electronics giant.