Delta Dental of Iowa announced it has hired Dr. Jeff Chaffin as dental director. Chaffin fills the vacancy created by the retirement of Dr. Ed Schooley from that position earlier this year. Chaffin, currently the president of the American Board of Dental Public Health, has spent most of his 22-year career in the U.S. Army. Most recently, he served as the dental director for the state of Wisconsin. In addition to his dentistry degree, he has master's degrees in public health, business administration and health administration.