The ceremony took place at the former St. Michael's Roman Catholic Church in Greenfield, with close family and friends in attendance.
A luncheon at Carnegie's followed the ceremony, with music provided by DePauw University's Randy Salman and his jazz quartet.
The couple honeymooned throughout New Hampshire, Vermont, and Maine.
Jennifer is a Greencastle native and a graduate of Greencastle High School and DePauw University. Greg is originally from Beavercreek, Ohio. He received both his B.A. and M.A. degrees from the University of Dayton.
The Benningtons now reside in the Louisville, Ky. area.