diff --git a/docs/1._Home/about.md b/docs/1._Home/about.md
index 3dae85e9..a54f769d 100644
--- a/docs/1._Home/about.md
+++ b/docs/1._Home/about.md
@@ -1,6 +1,6 @@
 # About the Section Controls
 
-The section "Control Systems" is part of the department "Elektronics and 
+The section "Control Systems" (organizational number 8210) is part of the department "Elektronics and 
 Control Systems" (AEK) in the PSI Center for "Accelerator Science and 
 Engineerin" (CAS).
 
@@ -11,4 +11,23 @@ Engineerin" (CAS).
 **Section Head:** [Dr. Tine Celcer](https://intranet.psi.ch/en/people/tine-celcer)
 
 **Administration Office:** [Maria Guarino Tucci](https://intranet.psi.ch/en/people/maria-guarino-tucci)
- 
+
+
+## Mission and Strategy 
+
+
+## Organisation Structure
+
+The section consists of six groups:
+ - Real Time and Embedded Syst. Development (8211) 
+ (group leader: [Dragutin Maier-Manojlovic](https://intranet.psi.ch/en/people/dragutin-maier-manojlovic))
+ - Software Engineering - Backend (8212)  
+ (group leader: [Tadej Humar](https://intranet.psi.ch/en/people/tadej-humar))
+ - Control System Infrastructure and Serv. (8213)  
+ (group leader: [Andrej Babic](https://intranet.psi.ch/en/people/andrej-babic))
+ - Common Systems Integration (8214) 
+ (group leader ad interim: [Dragutin Maier-Manojlovic](https://intranet.psi.ch/en/people/dragutin-maier-manojlovic))
+ - Integr.+Support-Photon Science (8215) 
+ (group leader: [Saeed Haghtalab](https://intranet.psi.ch/en/people/saeed-haghtalab))
+ - Integration and Support - Large Resear 
+ (group leader: [Guifré Cuní i Soler](https://intranet.psi.ch/en/people/guifre-cuni-i-soler))