Complex sentence: He currently coaches 2005 Junior World Champion Mao Asada and her sister, Mai Asada, as well as being 2006 Olympic bronze medalist Jeff Buttle's secondary coach.
Split into simpler sentences: He currently coaches 2005 Junior World Champion Mao Asada and her sister, Mai Asada. He is also 2006 Olympic bronze medalist Jeff Buttle's secondary coach.