diff --git a/Misc/ACKS b/Misc/ACKS
index d2c01aa..4471ab1 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -162,6 +162,7 @@
 Steve Cousins
 Alex Coventry
 Matthew Dixon Cowles
+Ryan Coyner
 Christopher A. Craig
 Laura Creighton
 Simon Cross
@@ -670,6 +671,7 @@
 Rich Salz
 Kevin Samborn
 Ilya Sandler
+Mark Sapiro
 Ty Sarna
 Ben Sayer
 Michael Scharf