diff --git a/src/main/java/com/scg/stop/auth/domain/request/RegisterRequest.java b/src/main/java/com/scg/stop/auth/domain/request/RegisterRequest.java
index 55f80675..8684c83a 100644
--- a/src/main/java/com/scg/stop/auth/domain/request/RegisterRequest.java
+++ b/src/main/java/com/scg/stop/auth/domain/request/RegisterRequest.java
@@ -15,26 +15,31 @@
 import lombok.NoArgsConstructor;
 
 @Getter
+@NoArgsConstructor
 public class RegisterRequest {
 
     @NotBlank(message = "이름을 입력해주세요.")
-    private final String name;
+    private String name;
 
     @NotBlank(message = "전화번호를 입력해주세요.")
-    private final String phoneNumber;
+    private String phoneNumber;
 
     @NotNull(message = "회원 유형을 입력해주세요.")
-    private final UserType userType;
+    private UserType userType;
 
     @NotBlank(message = "이메일을 입력해주세요.")
-    private final String email;
+    private String email;
 
-    private final String signUpSource;
+    private String signUpSource;
 
-    private final StudentInfoDto studentInfo;
+    private StudentInfoDto studentInfo;
+
+    private String division;
+
+    private String position;
 
     public RegisterRequest(String name, String phoneNumber, UserType userType, String email, String signUpSource,
-                           StudentInfoDto studentInfo) {
+                           StudentInfoDto studentInfo, String division, String position) {
         validateStudentInfo(userType, studentInfo);
         this.name = name;
         this.phoneNumber = phoneNumber;
@@ -42,6 +47,8 @@ public RegisterRequest(String name, String phoneNumber, UserType userType, Strin
         this.email = email;
         this.signUpSource = signUpSource;
         this.studentInfo = studentInfo;
+        if (division != null) this.division = division;
+        if (position != null) this.position = position;
     }
 
     private void validateStudentInfo(UserType userType, StudentInfoDto studentInfo) {
diff --git a/src/main/java/com/scg/stop/auth/service/AuthService.java b/src/main/java/com/scg/stop/auth/service/AuthService.java
index 1bd1b89a..aad17ff2 100644
--- a/src/main/java/com/scg/stop/auth/service/AuthService.java
+++ b/src/main/java/com/scg/stop/auth/service/AuthService.java
@@ -11,13 +11,16 @@
 import com.scg.stop.global.exception.BadRequestException;
 import com.scg.stop.global.exception.ExceptionCode;
 import com.scg.stop.global.exception.InvalidJwtException;
+import com.scg.stop.user.domain.Application;
 import com.scg.stop.user.domain.Department;
 import com.scg.stop.user.domain.Student;
 import com.scg.stop.user.domain.User;
 import com.scg.stop.user.domain.UserType;
+import com.scg.stop.user.repository.ApplicationRepository;
 import com.scg.stop.user.repository.DepartmentRepository;
 import com.scg.stop.user.repository.StudentRepository;
 import com.scg.stop.user.repository.UserRepository;
+import java.util.Arrays;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -30,6 +33,7 @@ public class AuthService {
     private final StudentRepository studentRepository;
     private final DepartmentRepository departmentRepository;
     private final UserRepository userRepository;
+    private final ApplicationRepository applicationRepository;
     private final JwtUtil jwtUtil;
     private final KakaoOAuthProvider kakaoOAuthProvider;
 
@@ -52,24 +56,28 @@ private User findOrCreateUser(String socialLoginId) {
     }
 
     public RegisterResponse finishRegister(User user, RegisterRequest registerRequest) {
-        User foundUser = userRepository.findById(user.getId())
-                .orElseThrow(() -> new BadRequestException(ExceptionCode.NOT_FOUND_USER_ID));
-        if (foundUser.getUserType().equals(UserType.STUDENT)) {
+        if (user.getUserType().equals(UserType.STUDENT)) {
             Department department = departmentRepository.findByName(
                     registerRequest.getStudentInfo().getDepartment())
-                    .orElseThrow(() -> new BadRequestException(ExceptionCode.NOT_FOUND_DEPARTMENT));//TODO: department가 null인경우 예외처리
+                    .orElseThrow(() -> new BadRequestException(ExceptionCode.NOT_FOUND_DEPARTMENT));
 
             Student student = Student.of(registerRequest.getStudentInfo().getStudentNumber(),
-                    foundUser
+                    user
                     , department);
             studentRepository.save(student);
         }
-        foundUser.register(registerRequest.getName(),
+        else if (Arrays.asList(UserType.INACTIVE_PROFESSOR, UserType.COMPANY, UserType.INACTIVE_COMPANY, UserType.PROFESSOR)
+                .contains(user.getUserType())) {
+            Application application = new Application(registerRequest.getDivision(), registerRequest.getPosition(),
+                    user);
+            applicationRepository.save(application);
+        }
+        user.register(registerRequest.getName(),
                 registerRequest.getEmail(),
                 registerRequest.getPhoneNumber(),
                 registerRequest.getUserType(),
                 registerRequest.getSignUpSource());
-        return RegisterResponse.from(foundUser);
+        return RegisterResponse.from(user);
     }
     private User createUser(String socialLoginId) {
         return userRepository.save(new User(socialLoginId));
diff --git a/src/main/java/com/scg/stop/user/domain/Application.java b/src/main/java/com/scg/stop/user/domain/Application.java
index 503930b2..fc7c1b08 100644
--- a/src/main/java/com/scg/stop/user/domain/Application.java
+++ b/src/main/java/com/scg/stop/user/domain/Application.java
@@ -10,23 +10,31 @@
 import jakarta.persistence.Id;
 import jakarta.persistence.JoinColumn;
 import jakarta.persistence.OneToOne;
+import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 
 @Entity
 @Getter
 @NoArgsConstructor(access = PROTECTED)
+@AllArgsConstructor
 public class Application extends BaseTimeEntity {
 
     @Id
     @GeneratedValue(strategy = IDENTITY)
     private Long id;
 
-    private String division;
+    private String division; //소속
 
-    private String position;
+    private String position; // 직책
 
     @OneToOne(fetch = LAZY)
     @JoinColumn(name = "user_id")
     private User user;
+
+    public Application(String division, String position, User user) {
+        this.division = division;
+        this.position = position;
+        this.user = user;
+    }
 }
diff --git a/src/main/java/com/scg/stop/user/repository/ApplicationRepository.java b/src/main/java/com/scg/stop/user/repository/ApplicationRepository.java
new file mode 100644
index 00000000..7db54d71
--- /dev/null
+++ b/src/main/java/com/scg/stop/user/repository/ApplicationRepository.java
@@ -0,0 +1,8 @@
+package com.scg.stop.user.repository;
+
+import com.scg.stop.user.domain.Application;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface ApplicationRepository extends JpaRepository<Application, Long> {
+    void findByName();
+}