diff --git a/README.md b/README.md
index a935510a49174fa66149c06ac050d32580e99290..2e57ccf53c97d9c1ff5f9468e033b5467b8e0113 100644
--- a/README.md
+++ b/README.md
@@ -25,3 +25,5 @@ This is an R program to visualize, normalize, and analyse omics data such as tho
 **Rscript  /path_to_the_program/ODA_version.R  /input_path/input_data.xlsm  /output_path/results.xlsx**
 
 ## Examples: See the Examples folder for example input and output files.
+
+Contact [Zhiyu Zhao](mailto:zhiyu.zhao@utsouthwestern.edu) for comments / questions / suggestions.
\ No newline at end of file