diff --git a/api/swagger/docs.go b/api/swagger/docs.go
index 7a6ba0bb..cbb71ca3 100644
--- a/api/swagger/docs.go
+++ b/api/swagger/docs.go
@@ -3900,9 +3900,13 @@ const docTemplate = `{
         "domain.CreateOrganizationRequest": {
             "type": "object",
             "required": [
+                "Email",
                 "name"
             ],
             "properties": {
+                "Email": {
+                    "type": "string"
+                },
                 "description": {
                     "type": "string",
                     "maxLength": 100,
@@ -4677,6 +4681,9 @@ const docTemplate = `{
                         "accountId": {
                             "type": "string"
                         },
+                        "department": {
+                            "type": "string"
+                        },
                         "name": {
                             "type": "string"
                         },
diff --git a/api/swagger/swagger.json b/api/swagger/swagger.json
index 37239f36..b4b1ed03 100644
--- a/api/swagger/swagger.json
+++ b/api/swagger/swagger.json
@@ -3893,9 +3893,13 @@
         "domain.CreateOrganizationRequest": {
             "type": "object",
             "required": [
+                "Email",
                 "name"
             ],
             "properties": {
+                "Email": {
+                    "type": "string"
+                },
                 "description": {
                     "type": "string",
                     "maxLength": 100,
@@ -4670,6 +4674,9 @@
                         "accountId": {
                             "type": "string"
                         },
+                        "department": {
+                            "type": "string"
+                        },
                         "name": {
                             "type": "string"
                         },
diff --git a/api/swagger/swagger.yaml b/api/swagger/swagger.yaml
index 0ac91838..f968a8b8 100644
--- a/api/swagger/swagger.yaml
+++ b/api/swagger/swagger.yaml
@@ -594,6 +594,8 @@ definitions:
     type: object
   domain.CreateOrganizationRequest:
     properties:
+      Email:
+        type: string
       description:
         maxLength: 100
         minLength: 0
@@ -603,6 +605,7 @@ definitions:
       phone:
         type: string
     required:
+    - Email
     - name
     type: object
   domain.CreateStackRequest:
@@ -1110,6 +1113,8 @@ definitions:
         properties:
           accountId:
             type: string
+          department:
+            type: string
           name:
             type: string
           organization:
diff --git a/internal/aws/ses/ses.go b/internal/aws/ses/ses.go
index 9be75772..8aca0c59 100644
--- a/internal/aws/ses/ses.go
+++ b/internal/aws/ses/ses.go
@@ -83,7 +83,7 @@ func SendEmailForVerityIdentity(client *awsSes.Client, targetEmailAddress string
 }
 
 func SendEmailForTemporaryPassword(client *awsSes.Client, targetEmailAddress string, randomPassword string) error {
-	subject := "[TKS] 비밀번호 초기화"
+	subject := "[TKS] 임시 비밀번호 발급"
 	body := "임시 비밀번호가 발급되었습니다.\n" +
 		"로그인 후 비밀번호를 변경하여 사용하십시오.\n\n" +
 		"임시 비밀번호: " + randomPassword + "\n\n" +
diff --git a/internal/delivery/http/organization.go b/internal/delivery/http/organization.go
index 836def5b..412c3a3d 100644
--- a/internal/delivery/http/organization.go
+++ b/internal/delivery/http/organization.go
@@ -58,7 +58,7 @@ func (h *OrganizationHandler) CreateOrganization(w http.ResponseWriter, r *http.
 	}
 	organization.ID = organizationId
 	// Admin user 생성
-	_, err = h.userUsecase.CreateAdmin(organizationId)
+	_, err = h.userUsecase.CreateAdmin(organizationId, input.Email)
 	if err != nil {
 		log.Errorf("error is :%s(%T)", err.Error(), err)
 		ErrorJSON(w, err)
diff --git a/internal/usecase/user.go b/internal/usecase/user.go
index 9d32d6d0..13b36fc2 100644
--- a/internal/usecase/user.go
+++ b/internal/usecase/user.go
@@ -20,7 +20,7 @@ import (
 )
 
 type IUserUsecase interface {
-	CreateAdmin(organizationId string) (*domain.User, error)
+	CreateAdmin(organizationId string, email string) (*domain.User, error)
 	DeleteAdmin(organizationId string) error
 	DeleteAll(ctx context.Context, organizationId string) error
 	Create(ctx context.Context, user *domain.User) (*domain.User, error)
@@ -188,10 +188,12 @@ func (u *UserUsecase) DeleteAdmin(organizationId string) error {
 	return nil
 }
 
-func (u *UserUsecase) CreateAdmin(orgainzationId string) (*domain.User, error) {
+func (u *UserUsecase) CreateAdmin(orgainzationId string, email string) (*domain.User, error) {
+	randomPassword := helper.GenerateRandomString(passwordLength)
 	user := domain.User{
 		AccountId: "admin",
-		Password:  "admin",
+		Password:  randomPassword,
+		Email:     email,
 		Role: domain.Role{
 			Name: "admin",
 		},
@@ -205,6 +207,7 @@ func (u *UserUsecase) CreateAdmin(orgainzationId string) (*domain.User, error) {
 	groups := []string{fmt.Sprintf("%s@%s", user.Role.Name, orgainzationId)}
 	err := u.kc.CreateUser(orgainzationId, &gocloak.User{
 		Username: gocloak.StringP(user.AccountId),
+		Email:    gocloak.StringP(user.Email),
 		Credentials: &[]gocloak.CredentialRepresentation{
 			{
 				Type:      gocloak.StringP("password"),
@@ -251,6 +254,10 @@ func (u *UserUsecase) CreateAdmin(orgainzationId string) (*domain.User, error) {
 		return nil, err
 	}
 
+	if err = ses.SendEmailForTemporaryPassword(ses.Client, user.Email, randomPassword); err != nil {
+		return nil, err
+	}
+
 	return &resUser, nil
 }
 
diff --git a/pkg/domain/auth.go b/pkg/domain/auth.go
index e2c755e0..4f8c3201 100644
--- a/pkg/domain/auth.go
+++ b/pkg/domain/auth.go
@@ -12,6 +12,7 @@ type LoginResponse struct {
 		Name            string       `json:"name"`
 		Token           string       `json:"token"`
 		Role            Role         `json:"role"`
+		Department      string       `json:"department"`
 		Organization    Organization `json:"organization"`
 		PasswordExpired bool         `json:"passwordExpired"`
 	} `json:"user"`
diff --git a/pkg/domain/organization.go b/pkg/domain/organization.go
index 1cea6fcf..d7801c88 100644
--- a/pkg/domain/organization.go
+++ b/pkg/domain/organization.go
@@ -65,6 +65,7 @@ type CreateOrganizationRequest struct {
 	Name        string `json:"name" validate:"required,name"`
 	Description string `json:"description" validate:"omitempty,min=0,max=100"`
 	Phone       string `json:"phone"`
+	Email       string `json:"Email" validate:"required,email"`
 }
 
 type CreateOrganizationResponse struct {