Lisa is a Medical Doctor with a specialisation in Internal Medicine, Geriatrics and Nutritional Medicine. She is also a Research Associate at the Charité - Universitätsmedizin Berlin, Institute of Public Health.
Lisa has more than 9 years of clinical experience and in addition has worked in different environmental and climate projects for over a decade. She has a deep interest in Planetary Health and Climate Justice, with a focus on food system transformations as a key component to achieve a just, healthy and livable future for everyone. Her research interests are in healthy and sustainable diets and healthcare foodservice. At PIK, she works on the NURISHD-project on the implementation of healthy and sustainable diets in healthcare institutions.
Contact
14412 Potsdam
ORCID
Education
2003-2010 Medical studies, Heinrich-Heine- Universität Düsseldorf and Université de Paris
2016 Medical doctoral thesis, Department for Hemato-Oncology, HHU Düsseldorf
Positions
Since 2022 Research Associate, Research Department 2, Potsdam Institute for Climate Impact Research
Since 2022 Research Associate, Charité - Universitätsmedizin Berlin, Institute of Public Health
2022-2024 Research Associate, German Alliance on Climate Change and Health
2017-2021 Department of Geriatrics, St. Joseph-Stift Bremen
2012-2017 Department of Internal Medicine, St. Joseph-Stift Bremen
2011-2012 Interdisciplinary Emergency Department, Klinikum Duisburg-Wedau
Qualifications
2017 Specialisation in Internal Medicine
2021 Specialisation in Geriatrics (Zusatzbezeichnung Geriatrie)
2022 Specialisation in Nutritional Medicine (Zusatzbezeichnung Ernährungsmedizin)
Pörtner, L. M., Schlenger, L., Gabrysch, S., & Lambrecht, N. J. (2025). Dietary quality and environmental footprint of health-care foodservice: A quantitative analysis using dietary indices and lifecycle assessment data. The Lancet Planetary Health, 9(7), 101274. https://doi.org/10.1016/j.lanplh.2025.05.004
Myers, S. S., Masztalerz, O., Ahdoot, S., Gabrysch, S., Gupta, J., Haines, A., Kleineberg-Massuthe, H., Lambrecht, N. J., Landrigan, P. J., Mahmood, J., Pörtner, L. M., Rohr, J., Traidl-Hoffmann, C., Wendt, A. S., Wray, B., & Rockström, J. (2025). Connecting planetary boundaries and planetary health: A resilient and stable Earth system is crucial for human health. The Lancet, 406(10501), 315–319. https://doi.org/10.1016/S0140-6736(25)01256-5
Ngoumou, G. B., Koppold, D. A., Wenzel, L., Schirmaier, A., Breinlinger, C., Pörtner, L. M., ... & Kessler, C. S. (2025). An interactive course program on nutrition for medical students: interdisciplinary development and mixed-methods evaluation. BMC Medical Education, 25(1), 115.
Pörtner, L. M., Koppold, D. A., Kessler, C. S., Michalsen, A. & Jeitler, M. Das Potenzial der Ernährung für Schmerztherapie und planetare Gesundheit. Schmerz 37, 344–349 (2023).
Pörtner, L. M., von Philipsborn, P., & Fesenfeld, L. (2022). Food security and sustainability in times of multiple crises. Annals of Nutrition and Metabolism, 1-2. https://doi.org/10.1159/000527743
Fesenfeld L.P.*, Pörtner L.M.*, Bodirsky B.L., Springmann M. et al. (2022). Für Ernährungssicherheit und eine lebenswerte Zukunft. Policy Brief. DOI:10.5281/zenodo.7038961
Pörtner LM, Lambrecht N, Springmann M, Bodirsky BL, Gaupp F, Freund F, Lotze-Campen H, Gabrysch S. (2022) We need a food system transformation - In the face of the Russia-Ukraine war, now more than ever. One Earth, https://doi.org/10.1016/j.oneear.2022.04.004
