Liesl Nydegger earned her Ph.D. in Health Promotion Sciences with a concentration in Global Health, and her Master's in Public Health in Health Promotion, Education, and Evaluation from Claremont Graduate University, School of Community and Global Health. In 2015, Nydegger was awarded a 2-year Ruth L. Kirschstein Institutional National Research Service Award Postdoctoral Research Fellowship at the Center for AIDS Intervention Research at the Medication College of Wisconsin. Nydegger was awarded a Fulbright-Fogarty Fellowship in 2012-2013 that took place in Durban, South Africa.
Nydegger's research interests include sexual health, specifically HIV and sexually transmitted infection (STI) prevention, among vulnerable and underserved populations such as illicit drug users and racial/ethnic minorities who experience health disparities. Specific areas of focus include intimate partner violence, childhood sexual abuse, substance use, pre-exposure prophylaxis adoption (PrEP) among women, and evidence-based interventions.