Niedert is the executive director of Western Home Services' Madrid Home campus and Western Home Services' network nutrition and dietetics specialist. Previously, as owner of Omega Health Associates, she was a nutrition consultant to extended care facilities, physicians, substance abuse programs, home health care providers and private industry. Niedert has served as an adjunct faculty member at the University of Northern Iowa, teaching courses in nutrition, human metabolism and food chemistry. A widely published author, she was the editor of the Academy's Nutrition Care of the Older Adult (2016). She is a past president of the Iowa Dietetic Association and former chair of the Academy's Dietetics in Health Care Communities dietetic practice group.
Niedert received the Academy's 2012 Marjorie Hulsizer Copher Award, the organization's highest honor, for her service to the Academy and the profession; the 2009 Medallion Award; and the 2001 Award of Excellence in Consultation and Business Practice. Niedert previously served on the Academy's Board of Directors from 2002 to 2005; the House of Delegates from 2006 to 2009; and is a past member of the Commission on Dietetic Registration.
Niedert is a graduate of Iowa State University and earned a master's degree in business administration from the University of Northern Iowa. She earned a PhD in health care administration from Warren National University.