diff --git a/YACOSCore/ejbModule/org/yacos/core/users/IUserManagerBean.java b/YACOSCore/ejbModule/org/yacos/core/users/IUserManagerBean.java
new file mode 100644
index 0000000..e55a028
--- /dev/null
+++ b/YACOSCore/ejbModule/org/yacos/core/users/IUserManagerBean.java
@@ -0,0 +1,9 @@
+package org.yacos.core.users;
+
+import java.util.Collection;
+
+public interface IUserManagerBean {
+	public Collection<User> getUsers();
+	public void addUser(User user);
+	public void removeUser(User user);
+}
diff --git a/YACOSCore/ejbModule/org/yacos/core/users/UsersManager.java b/YACOSCore/ejbModule/org/yacos/core/users/UsersManagerBean.java
similarity index 80%
rename from YACOSCore/ejbModule/org/yacos/core/users/UsersManager.java
rename to YACOSCore/ejbModule/org/yacos/core/users/UsersManagerBean.java
index d24e1bd..f7fccb4 100644
--- a/YACOSCore/ejbModule/org/yacos/core/users/UsersManager.java
+++ b/YACOSCore/ejbModule/org/yacos/core/users/UsersManagerBean.java
@@ -5,11 +5,14 @@ package org.yacos.core.users;
 
 import java.util.Collection;
 
+import javax.ejb.Stateless;
+
 /**
  * @author christiancorsano
  *
  */
-public class UsersManager {
+@Stateless
+public class UsersManagerBean implements IUserManagerBean{
 	public Collection<User> getUsers(){
 		// TODO
 		return null;