Holly J. Willis, PhD, RDN, LD, CDCES
Research Investigator, International Diabetes Center

About

Holly Willis is a research scientist, registered dietitian/nutritionist, and certified diabetes care and education specialist (CDCES) at International Diabetes Center (IDC). Her current research interests are related to the use of diabetes technologies such as continuous glucose monitoring (CGM) and digital apps for behavior modification in people with diabetes. She has specific interest in use of CGM to guide nutrition and lifestyle interventions. Dr. Willis currently serves as a principal investigator or co-investigator on multiple clinical trials. She is an active member the American Diabetes Association and has been a member and contributor to the Academy of Nutrition and Dietetics and the American Society for Nutrition.

Joined the Institute: 2018

Education and training: PhD, Nutrition, University of Minnesota; MS, Nutrition Communication, Tufts University; Dietetic Internship, Brigham and Women’s Hospital; BS, Nutrition and Dietetics, University of Minnesota.

Current research

Affiliation

positions

  • Research Investigator, International Diabetes Center
  • Publications While At HealthPartners

    selected publications

    Journal Article
  • "Now I can see it works!" Perspectives on using a nutrition-focused approach when initiating continuous glucose monitoring in people with type 2 diabetes: qualitative interview study
    JMIR diabetes. 2025
  • A randomized controlled trial using continuous glucose monitoring to guide food choices and diabetes self-care in people with type 2 diabetes not taking insulin
    Diabetes Technology & Therapeutics. 2025
  • Differential associations of somatic and cognitive-affective symptoms of depression with inflammation and insulin resistance: cross-sectional and longitudinal results from the Emotional Distress Sub-Study of the GRADE study
    Diabetologia. 2025
  • -cell function over time on glycemic outcomes in the Glycemia Reduction Approaches in Diabetes: A Comparative Effectiveness Study (GRADE): differential treatment effects of dual therapy
    Diabetes care. 2024
  • Impact of continuous glucose monitoring versus blood glucose monitoring to support a carbohydrate-restricted nutrition intervention in people with type 2 diabetes
    Diabetes Technology & Therapeutics. 2024
  • Contact

    full name

  • Holly J. Willis, PhD, RDN, LD, CDCES
  • primary email

  • Holly.Willis@parknicollet.com
  • Quick Info

    Publications

    Collaboration

    Contact Information

    More Info