diff --git a/app/crud/jemengage.py b/app/crud/jemengage.py
index 93f15e3..ae55af7 100644
--- a/app/crud/jemengage.py
+++ b/app/crud/jemengage.py
@@ -97,11 +97,12 @@ def get_survey(
         return None
     
     if zone.type == 'department':
-        return db.query(JecouteDataSurvey, JecouteSurvey) \
-            .filter(JecouteDataSurvey.postal_code is not None) \
+        return db.query(JecouteDataSurvey) \
+            .options(joinedload(JecouteDataSurvey.author)) \
+            .options(joinedload(JecouteDataSurvey.survey)) \
+            .filter(JecouteDataSurvey.postal_code != '') \
             .join(GeoCity, func.instr(GeoCity.postal_code, JecouteDataSurvey.postal_code)) \
             .join(GeoDepartment) \
-            .join(JecouteSurvey) \
             .filter(GeoDepartment.code == zone.code) \
             .filter(JecouteDataSurvey.latitude != '') \
             .filter(JecouteDataSurvey.longitude != '') \
@@ -109,7 +110,8 @@ def get_survey(
 
     if zone.type == 'region':
         return db.query(JecouteDataSurvey) \
-            .options(joinedload(JecouteDataSurvey.jecoute_survey)) \
+            .options(joinedload(JecouteDataSurvey.author)) \
+            .options(joinedload(JecouteDataSurvey.survey)) \
             .filter(JecouteDataSurvey.postal_code != '') \
             .join(GeoCity, GeoCity.postal_code.like('%' + JecouteDataSurvey.postal_code + '%')) \
             .join(GeoDepartment) \
diff --git a/app/models/models_enmarche.py b/app/models/models_enmarche.py
index 9099942..1ec064c 100644
--- a/app/models/models_enmarche.py
+++ b/app/models/models_enmarche.py
@@ -15,6 +15,8 @@ class Adherents(Base):
     __tablename__ = 'adherents'
 
     id = Column(Integer, primary_key=True, index=True)
+    first_name = Column(String, nullable=False)
+    last_name = Column(String, nullable=False)
     uuid = Column(String(36), unique=True, nullable=False, index=True)
     candidate_managed_area_id = Column(Integer, ForeignKey('candidate_managed_area.id'))
     candidate_managed_area = relationship('CandidateManagedArea')
@@ -93,7 +95,8 @@ class JecouteDataSurvey(Base):
     __tablename__ = 'jecoute_data_survey'
 
     id = Column(Integer, primary_key=True, index=True)
-    author_id = Column(Integer, nullable=True)
+    author_id = Column(Integer, ForeignKey('adherents.id'), nullable=True)
+    author = relationship('Adherents', lazy='joined')
     posted_at = Column(DateTime, nullable=False)
     postal_code = Column(String, nullable=True)
     age_range = Column(String, nullable=True)
@@ -101,7 +104,7 @@ class JecouteDataSurvey(Base):
     latitude = Column(Float, nullable=True)
     longitude = Column(Float, nullable=True)
     survey_id = Column(Integer, ForeignKey('jecoute_survey.id'))
-    jecoute_survey = relationship('JecouteSurvey', lazy='joined')
+    survey = relationship('JecouteSurvey', lazy='joined')
 
 
 class JecouteSurvey(Base):
@@ -109,10 +112,11 @@ class JecouteSurvey(Base):
     __tablename__ = 'jecoute_survey'
 
     id = Column(Integer, primary_key=True, index=True)
-    author_id = Column(Integer, nullable=True)
+    author_id = Column(Integer, ForeignKey('adherents.id'), nullable=True)
+    author = relationship('Adherents', lazy='joined')
     name = Column(String, nullable=False)
     created_at = Column(DateTime, nullable=False)
     updated_at = Column(DateTime, nullable=False)
     type = Column(String, nullable=False)
     zone_id = Column(Integer, ForeignKey('geo_zone.id'))
-    geo_zone = relationship('GeoZone')
+    geo_zone_relation = relationship('GeoZone')
\ No newline at end of file
diff --git a/app/schemas/schemas.py b/app/schemas/schemas.py
index e738ad2..7779a70 100644
--- a/app/schemas/schemas.py
+++ b/app/schemas/schemas.py
@@ -2,7 +2,7 @@
 Schemas
 """
 from enum import Enum
-from typing import List, Set, Optional
+from typing import List, Set, Union, Optional
 from pydantic import BaseModel, Field
 from datetime import datetime
 
@@ -76,10 +76,18 @@ class Config:
 """
 
 
+class AdherentName(BaseModel):
+    adherent_id: int = Field(alias="id")
+    first_name: str
+    last_name: str
+
+    class Config:
+        orm_mode = True
+
 
 class JecouteSurvey(BaseModel):
-    survey_id: int = Field(alias="id")
-    survey_author_id: Optional[str]
+    id: int
+    survey_author: Optional[AdherentName]
     name: str
     created_at: datetime
     updated_at: datetime
@@ -91,14 +99,14 @@ class Config:
 
 class JecouteDataSurvey(BaseModel):
     id: int
-    author_id: Optional[str]
+    author: Optional[AdherentName]
     posted_at: datetime
     postal_code: Optional[str]
     age_range: Optional[str]
     gender: Optional[str]
     latitude: Optional[float]
     longitude: Optional[float]
-    survey: JecouteSurvey = Field(alias="jecoute_survey")
+    survey: JecouteSurvey
 
     class Config:
         json_encoders = {datetime: lambda v: v.date().strftime("%d/%m/%y")}