AMES — Iowa State University’s new extension beef cow-calf specialist is looking forward to getting to know the state’s producers and learning how to best address issues facing them. Randie Culbertson said that starts with understanding the challenges, including her own change in perspective. Culbertson came to Iowa State from Bozeman, Montana, where she worked for the American Simmental Association as the lead geneticist for International Genetic Solutions.