diff --git a/public/demos.html b/public/demos.html
index 1f5ed9583d3a65432196ef90c88c760418d7e849..459020b7b14d32a899226cdf301a961224f1b54f 100644
--- a/public/demos.html
+++ b/public/demos.html
@@ -271,7 +271,7 @@
           <!-- Grid column -->
           <div class="col-lg-3 col-md-6 mb-lg-0 mb-5">
             <div class="avatar mx-auto">
-              <img src="./imgs/avatar/DieterUcklemann.jpg" class="rounded-circle z-depth-1" width="150px">
+              <img src="./imgs/avatar/DieterUcklemann.png" class="rounded-circle z-depth-1" width="150px">
             </div>
             <h5 class="font-weight-bold mt-4 mb-3">Prof. Dr. Dieter Uckelmann</h5>
             <p class="text-uppercase blue-text"><strong>Research Group Leader</strong></p>
@@ -294,28 +294,27 @@
           </div>
           <!-- Grid column -->
 
-          <!-- Grid column --> 
+          <!-- Grid column --> <!-- FGDI ToDo -->
           <div class="col-lg-3 col-md-6 mb-lg-0 mb-5">
             <div class="avatar mx-auto">
-              <img src="./imgs/avatar/JoeSquare.jpg" class="rounded-circle z-depth-1" width="150px">
+              <img src="./imgs/avatar/MyriamGuedey.png" class="rounded-circle z-depth-1" width="150px">
             </div>
-            <h5 class="font-weight-bold mt-4 mb-3">Joe T. Santhanavanich</h5>
+            <h5 class="font-weight-bold mt-4 mb-3">Myriam Guedey</h5>
             <p class="text-uppercase blue-text"><strong>Researcher</strong></p>
-            <a href="https://www.hft-stuttgart.de/p/thunyathep-santhanavanich" target="_blank">
+            <a href="https://www.hft-stuttgart.de/p/myriam-guedey" target="_blank">
               <button class="btn btn-primary btn-sm profile">See full profile</button>
             </a>
-            <p class="grey-text">Research topic: Smart Cities | OGC Standards | Sensors & IoT | 3D City Models | 3D Web
-              Visualization | 3D Simulation | Big Data</p>
+            <p class="grey-text">Research topic: Smart Cities | Sensors & IoT | Smart Buildings | Open Source and Open Networks | Sustainable Digitalisation</p>
             <ul class="list-unstyled mb-0">
 
-              <a class="p-2 fa-lg" href="https://www.researchgate.net/profile/Thunyathep-Santhanavanich"
+              <a class="p-2 fa-lg" href="https://www.researchgate.net/profile/Myriam-Guedey"
                 target="_blank">
                 <i class="fab fa-researchgate"></i>
               </a>
-              <a class="p-2 fa-lg" href="https://scholar.google.com/citations?user=RKNY04EAAAAJ&hl=en" target="_blank">
+              <a class="p-2 fa-lg" href="https://scholar.google.de/scholar?as_sdt=2007&q=myriam+guedey&hl=de" target="_blank">
                 <i class="fab fa-google"></i>
               </a>
-              <a class="p-2 fa-lg" href="https://www.linkedin.com/in/thunyatheps/" target="_blank">
+              <a class="p-2 fa-lg" href="https://de.linkedin.com/in/myriamguedey" target="_blank">
                 <i class="fab fa-linkedin"></i>
               </a>
             </ul>