diff --git a/spec/23/speakers.yaml b/spec/23/speakers.yaml
index 0892dcc..1e89519 100644
--- a/spec/23/speakers.yaml
+++ b/spec/23/speakers.yaml
@@ -1118,6 +1118,7 @@
     [Kraken](https://www.kraken.com/) Digital Asset Exchange.
   caption: |
     Strategy & Operations
+  lead: true
   tracks: [ zaklady, regulace, spolecnost ]
   country: cz
   pretalxId: YFXEUB