Complex sentence: Kimball has been quoted in various publications about healthcare and his thoughts on its future, MSN, Hedgeweek and several others; he is also a contributory author for thestreet.com.
Split into simpler sentences: Kimball has been quoted in various publications about healthcare and his thoughts on its future, MSN, Hedgeweek, and several others. He is also a contributory author for thestreet.com.