diff --git a/build.gradle b/build.gradle
index d2f2625..e3df5c6 100644
--- a/build.gradle
+++ b/build.gradle
@@ -32,6 +32,9 @@ dependencies {
 	annotationProcessor 'org.projectlombok:lombok'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 	testImplementation 'org.springframework.security:spring-security-test'
+
+	// oauth
+	implementation 'org.springframework.boot:spring-boot-starter-oauth2-client'
 }
 
 tasks.named('bootBuildImage') {
diff --git a/src/main/java/com/api/TaveShot/domain/Member/Member.java b/src/main/java/com/api/TaveShot/domain/Member/Member.java
index e7bf8d2..d607c7d 100644
--- a/src/main/java/com/api/TaveShot/domain/Member/Member.java
+++ b/src/main/java/com/api/TaveShot/domain/Member/Member.java
@@ -8,8 +8,10 @@
 import lombok.AccessLevel;
 import lombok.AllArgsConstructor;
 import lombok.Builder;
+import lombok.Getter;
 import lombok.NoArgsConstructor;
 
+@Getter
 @Entity
 @NoArgsConstructor(access = AccessLevel.PROTECTED)
 @Builder
@@ -19,4 +21,9 @@ public class Member extends BaseEntity {
     @Id @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long id;
 
+    private Long gitId;
+    private String gitLoginId;
+    private String gitEmail;
+    private String gitName;
+
 }
diff --git a/src/main/java/com/api/TaveShot/global/oauth2/CustomOauth2User.java b/src/main/java/com/api/TaveShot/global/oauth2/CustomOauth2User.java
new file mode 100644
index 0000000..99d3090
--- /dev/null
+++ b/src/main/java/com/api/TaveShot/global/oauth2/CustomOauth2User.java
@@ -0,0 +1,37 @@
+package com.api.TaveShot.global.oauth2;
+
+import com.api.TaveShot.domain.Member.Member;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Map;
+import lombok.RequiredArgsConstructor;
+import org.springframework.security.core.GrantedAuthority;
+import org.springframework.security.core.authority.SimpleGrantedAuthority;
+import org.springframework.security.oauth2.core.user.OAuth2User;
+
+@RequiredArgsConstructor
+public class CustomOauth2User implements OAuth2User {
+
+    private final Member member;
+    private final Map<String, Object> attributes;
+
+    @Override
+    public <A> A getAttribute(String name) {
+        return OAuth2User.super.getAttribute(name);
+    }
+
+    @Override
+    public Map<String, Object> getAttributes() {
+        return attributes;
+    }
+
+    @Override
+    public Collection<? extends GrantedAuthority> getAuthorities() {
+        return Collections.singleton(new SimpleGrantedAuthority("GITHUB_MEMBER"));
+    }
+
+    @Override
+    public String getName() {
+        return member.getGitName();
+    }
+}