Professor Ljunggren is the former Dean of Research at Karolinska Institutet and founder of the Center for Infectious Medicine, Department of Medicine, Karolinska Institutet, Karolinska University Hospital and has functioned as Dean of Research at KI. He is a member of the Nobel Assembly at KI, which awards the Nobel Prize in Physiology or Medicine.
Professor Ljunggren earned his medical and doctoral degrees at KI and also serves as Center Director of NextGenNK, an international Competence Center for the development of next-generation NK cell-based cancer immunotherapies based at KI. In 2001, he was appointed Professor of Infection Medicine and Director of the Center for Infectious Medicine (CIM), a Strategic Research Center at the Department of Medicine, and has authored over 300 articles within the fields of immunology, infectious diseases and cancer and been cited more than 40,000 times.
Professor Ljunggren has been a member of the organizing or scientific committees of numerous international conferences and has had multiple national and international assignments, involving external research evaluations and participation in international advisory boards. Dr. Ljunggren is affiliated with VyGen-Bio.