Complex sentence: After the Olympics, Iagorashvili retired from her sport, and after graduating from Logan College of Chiropractic in December 2001, began her practice in Texas, Minnesota, and Wisconsin.
Split into simpler sentences: After the Olympics, Iagorashvili retired from her sport, and worked as a chiropractor. She graduated from Logan College of Chiropractic in December 2001, and has practiced in Texas, Minnesota, and Wisconsin.