diff --git a/README.md b/README.md
index 5d6eea5..0670fed 100644
--- a/README.md
+++ b/README.md
@@ -63,5 +63,6 @@
 * [How to be a Pirate by CGP Grey](https://www.youtube.com/watch?v=T0fAznO1wA8)
 * [Bitcoin Whitepaper by Satoshi Nakamoto](https://bitcoin.org/bitcoin.pdf)
    * "an electronic payment system based on cryptographic proof instead of trust..."
+* [Teal organizations](https://reinventingorganizationswiki.com/)