Dr. med. Lisa M. Pörtner

Postdoctoral Researcher

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.


Potsdam Institute for Climate Impact Research (PIK)
P.O. Box 60 12 03
14412 Potsdam



Charité Universitätsmedizin Berlin




2003-2010 Medical studies, Heinrich-Heine- Universität Düsseldorf and Université de Paris

2016 Medical doctoral thesis, Department for Hemato-Oncology, HHU Düsseldorf


Since 2022 Guest Research Associate, Research Department 2, Potsdam Institute for Climate Impact Research

Since 2022 Research Associate, Charité - Universitätsmedizin Berlin, Institute of Public Health

Since 2022 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


2017 Specialisation in Internal Medicine

2021 Specialisation in Geriatrics (Zusatzbezeichnung Geriatrie)

2022 Specialisation in Nutritional Medicine (Zusatzbezeichnung Ernährungsmedizin)

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

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, 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

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).