Update content/en/events/isc-2025.md

Author: rrrutledge

content/en/events/isc-2025.md

@@ -120,7 +120,7 @@ Caroline Jones is an Engineering Manager at The Aerospace Corporation leading a
 
 
 <div class="clearfix speaker-bio">
-<img alt="Chamindra de Silva photo" src="/images/events/speakers/Summit 2025/Chamindra de Silva.jpeg" width="200" class="speaker-photo" id="Chamindra_de_Silva" />
+<img alt="Chamindra de Silva photo" src="/images/events/speakers/Summit 2025/Transparent_Square.png" width="200" class="speaker-photo" id="Chamindra_de_Silva" />
 
 
 **Chamindra de Silva** (InnerSource Value Metrics)