diff --git a/README.md b/README.md
index 1d728ba..d82b9df 100644
--- a/README.md
+++ b/README.md
@@ -52,6 +52,8 @@ YouQiaoben: data/Batch, implement num_timesteps, fix memory growth in num_episod
 
 ShihongSong: data/Replay; then adv_estimate.dqn after YongRen's DQN
 
+HaoshengZou: collaborate mainly on Policy and losses; interfaces and architecture
+
 Note: install openai/gym first to run the Atari environment; note that interfaces between modules may not be finalized; the management of placeholders and `feed_dict` may have to be done manually for the time being;
 
 Without preprocessing and other tricks, this example will not train to any meaningful results. Codes should past two tests: individual module test and run through this example code.
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