diff --git a/acknowledgements.md b/acknowledgements.md
index 23a976c..482fae2 100644
--- a/acknowledgements.md
+++ b/acknowledgements.md
@@ -1,4 +1,10 @@
 # Acknowledgements
-This work is partly based on the work of many individuals and organizations. Namely (but not exclusive to):
+This work is partly based on the work of many talented individuals and organizations. Namely (but not exclusive to):
 
 * [Mike Amundsen](http://amundsen.com/)
+* [Wesley Beary](http://geemus.com/) & [Heroku API Team](https://www.heroku.com/)
+* [Oldrich Novak](https://de.linkedin.com/in/oldrich-novak-1479124) & [adidas Architectural Team](http://www.adidas-group.com/en/)
+* [Stephen Mizell](http://smizell.com)
+* [Mark Foster]()
+* [Apiary.io](https://apiary.io/)
+* [Zalando API team](http://zalando.github.io/restful-api-guidelines/)