diff --git a/models/gencloud.go b/models/gencloud.go
index 4e5b354..4a62cc1 100644
--- a/models/gencloud.go
+++ b/models/gencloud.go
@@ -192,7 +192,7 @@ type UsersQuery struct {
 }
 
 type GCUser struct {
-	Id            string `json:"id" gorm:"primaryKey"`
+	Id            string `json:"id" gorm:"primaryKey;foreignKey"`
 	Name          string `json:"name"`
 	Email         string `json:"email"`
 	State         string `json:"state"`
diff --git a/models/participant.go b/models/participant.go
index 86c0ce3..03318c9 100644
--- a/models/participant.go
+++ b/models/participant.go
@@ -23,6 +23,8 @@ type DBParticipant struct {
 	WrapupRequired                   *bool
 
 	Sessions []DBSession `gorm:"foreignKey:ParticipantId;references:Id"`
+	Calls    []DBCall    `gorm:"foreignKey:ParticipantId;referencesId`
+	User     GCUser      `gorm:"foreignKey:UserId;references:Id`
 }
 
 func (DBParticipant) TableName() string {