diff --git a/Misc/ACKS b/Misc/ACKS
index 3638cc0..410158a 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -154,6 +154,7 @@
 Steve Cousins
 Alex Coventry
 Matthew Dixon Cowles
+Ryan Coyner
 Christopher A. Craig
 Laura Creighton
 Simon Cross
@@ -654,6 +655,7 @@
 Rich Salz
 Kevin Samborn
 Ilya Sandler
+Mark Sapiro
 Ty Sarna
 Ben Sayer
 Michael Scharf