Whitmer is the Family, Consumer and Health Sciences Area Agent and County Extension Director for Cochise County. She develops and conducts programs addressing priority needs with research-based, objective, informal education programs to Arizona families. The educational programs assist families and communities in the areas of strengthening of families, community development, child development/ parenting, life skills, financial literacy, oral health, and health promotion/disease prevention/food safety (healthy lifestyles). She continues to work with the community leadership, partners, and citizens to develop sustainable changes in the community with policy, systems and environmental changes through collective impact.