We are a team of researchers who are working on projects to promote wellness within settings where children and adolescents live, learn, Develop, and play. Although we work closely with The Girl Scouts of NE Kansas & NW Missouri Council, the materials and resources on this website are not officially endorsed by the council or GSUSA.  



Brooke Cull, MPH

Brooke Cull has a Bachelor of Human Nutrition, Master of Public Health degree, and is currently pursuing a PhD in Human Nutrition from Kansas State University. She manages projects aimed at promoting health and wellness in children, specifically through increased physical activity and healthful eating habits. Brooke is a registered Girl Scouts leader and currently collaborates with the Girl Scouts of NE Kansas and NW Missouri, to promote wellness in the context of troop meetings. 

Sara Rosenkranz, PhD

Dr. Sara Rosenkranz is an assistant professor and Public Health faculty member in the Department of Human Nutrition at Kansas State University. She teaches nutrition and exercise and her research examines the impact that lifestyle (diet and exercise) has on metabolism and health of the heart and lungs. Dr. Rosenkranz was a Girl Scout as a child and has been involved in multiple wellness promotion projects based in Girl Scouts and other settings. 

Richard Rosenkranz, PhD

Dr. Richard Rosenkranz is a professor of Health & Physical Education in the School of Science and Health at Western Sydney University in Australia.  He teaches and does research in the area of health promotion, with an emphasis on healthful eating and physical activity in children. Dr. Rosenkranz has a long history of collaboration with the Girl Scouts, including three large wellness promotion projects. 

David Dzewaltowski, PhD

Dr. David Dzewaltowski is the Endowed Community Chair & Professor in the Department of Health Promotions, Social & Behavioral Health at University of Nebraska Medical Center and the Buffett Early Childhood Institute. As an accomplished leader, educator, and scientist, his work has focused on improving population health behaviors through organizational change and leader training. His collaborative youth health initiatives have increased the capacity of organizations, and improved physical activity and healthful eating habits in children and adults. 

Cassandra Knutson, MPH

Cassandra Knutson earned her Bachelor of Kinesiology and Health degree from Iowa State University, and Master of Public Health degree from Kansas State University. She serves as Community Health Educator for the Nebraska Department of Health and Human Services. She is a certified Health Coach with the American Council on Exercise, a youth sport coach, and a registered Girl Scouts leader. 


Contact our wellness team

Physical Activity & Nutrition Clinical Research Consortium

Kansas State University

1105 Sunset Ave. 
Manhattan, KS 66502
(785) 532-0170

Monday – Friday: 8AM – 6PM