Department Systems Analysis, Integrated Assessment and Modelling
Organisation
![](/fileadmin/Domain1/Abteilungen/siam/organisation/siam_e.png)
Group Leaders
Scientists
PhD Students
Scientific Support
Guests
Administration
Alumni
![Peter Reichert](/fileadmin/Domain1/Abteilungen/siam/organisation/peter_reichert.jpg)
Prof. Dr. Peter Reichert
Senior scientist, head of department and member of the directorate
1985 - 2022
![](/fileadmin/Domain1/Abteilungen/siam/organisation/hong_yang.jpg)
Prof. Dr. Hong Yang
Senior scientist and head of the former "Water, Environment and Food Security" group
1999 - 2021
![](/fileadmin/Domain1/Abteilungen/siam/organisation/abbaspour.jpg)
Prof. Dr. Karim Abbaspour
Senior scientist and head of the former "Soil, Groundwater and Catchments" group
2000 - 2019
now Adjunkt Professor at Texas A&M University, USA