diff --git a/back_end/src/main/java/hackathon/FrisbYEE/jpa/dto/AdminDTO.java b/back_end/src/main/java/hackathon/FrisbYEE/jpa/dto/AdminDTO.java
new file mode 100644
index 0000000..1846a71
--- /dev/null
+++ b/back_end/src/main/java/hackathon/FrisbYEE/jpa/dto/AdminDTO.java
@@ -0,0 +1,7 @@
+package hackathon.FrisbYEE.jpa.dto;
+import lombok.Data;
+
+@Data
+public class AdminDTO {
+    private String name;    
+}
diff --git a/back_end/src/main/java/hackathon/FrisbYEE/jpa/dto/AthleteDTO.java b/back_end/src/main/java/hackathon/FrisbYEE/jpa/dto/AthleteDTO.java
index 997da42..0a3da0f 100644
--- a/back_end/src/main/java/hackathon/FrisbYEE/jpa/dto/AthleteDTO.java
+++ b/back_end/src/main/java/hackathon/FrisbYEE/jpa/dto/AthleteDTO.java
@@ -1,7 +1,10 @@
 package hackathon.FrisbYEE.jpa.dto;
 
+
+import lombok.Data;
 import java.util.List;
 
+@Data
 public class AthleteDTO {
 
     private String nom;
diff --git a/back_end/src/main/java/hackathon/FrisbYEE/jpa/dto/CoachDTO.java b/back_end/src/main/java/hackathon/FrisbYEE/jpa/dto/CoachDTO.java
new file mode 100644
index 0000000..581ea31
--- /dev/null
+++ b/back_end/src/main/java/hackathon/FrisbYEE/jpa/dto/CoachDTO.java
@@ -0,0 +1,9 @@
+package hackathon.FrisbYEE.jpa.dto;
+
+import lombok.Data;
+
+@Data
+public class CoachDTO {
+    private String name;
+    
+}
diff --git a/back_end/src/main/java/hackathon/FrisbYEE/jpa/dto/SessionDTO.java b/back_end/src/main/java/hackathon/FrisbYEE/jpa/dto/SessionDTO.java
index be27f38..73f2b3c 100644
--- a/back_end/src/main/java/hackathon/FrisbYEE/jpa/dto/SessionDTO.java
+++ b/back_end/src/main/java/hackathon/FrisbYEE/jpa/dto/SessionDTO.java
@@ -1,12 +1,8 @@
 package hackathon.FrisbYEE.jpa.dto;
 
-import hackathon.FrisbYEE.jpa.metier.Activite;
-import hackathon.FrisbYEE.jpa.metier.Athlete;
-import hackathon.FrisbYEE.jpa.metier.Session;
 import lombok.Data;
 
 import java.time.LocalDateTime;
-import java.util.ArrayList;
 import java.util.List;
 
 @Data
diff --git a/back_end/src/main/java/hackathon/FrisbYEE/jpa/dto/UserDTO.java b/back_end/src/main/java/hackathon/FrisbYEE/jpa/dto/UserDTO.java
new file mode 100644
index 0000000..635dfc4
--- /dev/null
+++ b/back_end/src/main/java/hackathon/FrisbYEE/jpa/dto/UserDTO.java
@@ -0,0 +1,11 @@
+package hackathon.FrisbYEE.jpa.dto;
+
+import hackathon.FrisbYEE.jpa.metier.Role;
+import lombok.Data;
+
+@Data
+public class UserDTO {
+    private String name;
+    private String email;
+    private Role role;
+}