Wilkerson joins Nebraska Corn Board LINCOLN — The Nebraska Corn Board is pleased to announce the hiring of Jeff Wilkerson as its director of market development. Wilkerson began his role on July 1. In this role, Wilkerson will work on behalf of the state’s corn farmers to contribute to the mission of the Nebraska corn checkoff,PLEASE LOG IN FOR PREMIUM CONTENT. Our website requires visitors to log in to view the best local news. Not yet a subscriber? Subscribe today!