Add Thomas to Maintainer QA

Change-Id: If8c1650bdfb55591c0394070798a9478caf43979
diff --git a/sessions/maintainers-qa.md b/sessions/maintainers-qa.md
index f44adf0..ad6ee64 100644
--- a/sessions/maintainers-qa.md
+++ b/sessions/maintainers-qa.md
@@ -6,3 +6,4 @@
 * *[Luca Milanesio, GerritForge](../speakers.md#lmilanesio)*
 * *[Edwin Kempin, Google](../speakers.md#ekempin)*
 * *[Ben Rohlfs, Google](../speakers.md#brohlfs)*
+* *[Thomas Draebing, SAP](../speakers.md#tdraebing)*