Neogen Corporation announced that its transition of the responsibilities from James Herbert to John Adent as the company's chief executive officer is now complete. Herbert will continue to serve as chairman of Neogen's Board of Directors, and as the company's director of strategic growth under the direction of Adent. Neogen named Adent to succeed Herbert as its CEO in July 2017. Herbert had served as Neogen's CEO since the company's founding in 1982. Adent joined Neogen after 13 years as CEO for Animal Health International (AHI).