diff --git a/content/collaborations/phd_edf.md b/content/collaborations/phd_edf.md
new file mode 100644
index 0000000000000000000000000000000000000000..0aaff0809ce3d71074730f37635cf6002fd0dd1e
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+++ b/content/collaborations/phd_edf.md
@@ -0,0 +1,34 @@
+---
+title: EDF
+show_title: false
+tags: [ collaboration, edf, froger, clautiaux, rolland]
+subtitle: "Optimization of an hydro valley"  # optional
+tag: phd-edf # unique tag of this project
+# layout: single_collaboration
+
+# optional parameters
+image: ../resources/edf.webp     # optional
+imagesize: 60
+date:       # optional
+weight: 10
+consortium: EDGE, EDF
+funding: ANRT + EDF
+duration: 2025 - 2028
+active : true
+
+summary: EDF is the major French multinational electric utility company owned by the French state. Our collaboration is part of the EDF-Inria Challenge, and specifically a project titled  "_Decomposition algorithms for solving generation expansion planning problems_".
+
+---
+
+This project funds the PhD thesis of Lionel Rolland.
+
+
+__People involved__: 
+- [François Clautiaux]({{<  ref "team-members/clautiaux.md"  >}})  (Edge)
+- [Aurélien Froger]({{<  ref "team-members/froger.md"  >}})  (Edge)
+- Pascale Bendotti (EDF)
+- Cecile Rottner (EDF)
+
+---
+
+{{< related_posts max=3 >}}
diff --git a/content/projects/deside.md b/content/projects/deside.md
index af572a399df1157a34a0a4ca92bd3322834150d0..3bbc49f9a07e6686e09876d9902fd4a6b6456e3c 100644
--- a/content/projects/deside.md
+++ b/content/projects/deside.md
@@ -13,7 +13,7 @@ weight:
 consortium: Edge, Kedge, Sobolev Institute
 funding:  ANR Mathematics
 start: 2022
-end: 2026
+end: 2025
 
 ---
 
diff --git a/content/team-members/rolland.md b/content/team-members/rolland.md
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@@ -0,0 +1,36 @@
+---
+### obligatory fields
+tags: [team,  clautiaux, froger]  # you can add more tags if needed, but team has to be there
+role: phd # your role in the team [permanent, postdoc, external, phd, admin, student, engineer]
+title: Lionel Rolland # your name
+
+#### optional fields
+# if they are not set they will not be displayed on your personal page
+affiliation: PhD student, EDF # your position
+tag: rolland  # your tag, used to link you to news, publications, projects, ....
+interests: "Optimization, hydro unit commitment problem" # you rinterests
+webpage:  # your webiste link, or something like linkedin, researchgate, ....
+phone: # phone number 
+email:  # your contact email
+location: "IMB - UB / EDF"  # your office location
+image: 
+imagesize: 30
+---
+
+<!--more-->
+
+**Supervisors**
+- [François Clautiaux]({{<  ref "team-members/clautiaux.md"  >}}) (Edge)
+- [Aurélien Froger]({{<  ref "team-members/froger.md"  >}}) (Edge)
+
+**PhD title**: Optimization of an hydro-valley 
+
+##### **Objective of the thesis**
+
+
+
+
+
+---
+
+{{< related_posts >}}