diff --git a/slides/intro/intro.md b/slides/intro/intro.md
index bfe3870a..0574e3b6 100644
--- a/slides/intro/intro.md
+++ b/slides/intro/intro.md
@@ -1,6 +1,6 @@
 ## A brief introduction
 
-- This was initially written to support in-person,
+- This was initially written by [Jérôme Petazzoni](https://twitter.com/jpetazzo) to support in-person,
   instructor-led workshops and tutorials
 
 - You can also follow along on your own, at your own pace
diff --git a/slides/kube/intro.md b/slides/kube/intro.md
index 41f5b2de..7a194d95 100644
--- a/slides/kube/intro.md
+++ b/slides/kube/intro.md
@@ -1,6 +1,6 @@
 ## A brief introduction
 
-- This was initially written to support in-person,
+- This was initially written by [Jérôme Petazzoni](https://twitter.com/jpetazzo) to support in-person,
   instructor-led workshops and tutorials
 
 - You can also follow along on your own, at your own pace
diff --git a/slides/swarm/intro.md b/slides/swarm/intro.md
index 868c7b1c..1311eff2 100644
--- a/slides/swarm/intro.md
+++ b/slides/swarm/intro.md
@@ -1,6 +1,6 @@
 ## A brief introduction
 
-- This was initially written to support in-person,
+- This was initially written by [Jérôme Petazzoni](https://twitter.com/jpetazzo) to support in-person,
   instructor-led workshops and tutorials
 
 - You can also follow along on your own, at your own pace