diff --git a/DeveloperMeetingMadeira2018.md b/DeveloperMeetingMadeira2018.md
index 7d02fbf..ae8e1ec 100644
--- a/DeveloperMeetingMadeira2018.md
+++ b/DeveloperMeetingMadeira2018.md
@@ -253,6 +253,7 @@ Discussion following the recent Loomio vote about what platform to use for the Q
 | 1 | Giovanni Manghi | giovanni.manghi@naturalgis.pt
 | 2 | Jorge Gustavo Rocha | jgr@geomaster.pt
 | 3 | Nyall Dawson (participating remotely) |nyall.dawson@gmail.com |
+| 4 | David Signer | david@opengis.ch |
 
 Connection details for remote participants: 
 
@@ -299,6 +300,7 @@ This is a mentored walk through of the entire process of creating and running te
 | - | --- | --- |
 | 1 | Rosa Aguilar |rosamaguilar at gmail dot com |
 | 2 | Mario Baranzini | mario@opengis.ch
+| 3 | David Signer | david@opengis.ch
 
 Join from PC, Mac, Linux, iOS or Android: https://zoom.us/j/105457372