diff --git a/rollcall.md b/rollcall.md
index 05ced4e..62cef86 100644
--- a/rollcall.md
+++ b/rollcall.md
@@ -6,5 +6,7 @@ Rollcall
 Name and GitHub account
 --------------------------------
 * John Stratton [johnastratton](https://github.com/johnastratton)
+
 * Maxwell Brown [maxwellnbrown](https://github.com/maxwellnbrown)
 * Jack Taylor [jht5225](https://github.com/jht5225)
+* Ruilong Zhuang [ruilong96](https://github.com/ruilong96/)
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