Complex sentence: Drake's administrative career has featured a number of highly publicized controversial firings... as UC Irvine chancellor, Drake fired and rehired legal scholar Erwin Chemerinsky as dean of the then-new UC Irvine school of law.
Split into simpler sentences: Drake's administrative career has featured a number of highly publicized controversial firings. As UC Irvine chancellor, Drake fired and rehired legal scholar Erwin Chemerinsky as dean of the then-new UC Irvine school of law.