diff --git a/src/main/kotlin/roomescape/member/implement/MemberValidator.kt b/src/main/kotlin/roomescape/member/implement/MemberValidator.kt
index 402d3168..1b3c54d2 100644
--- a/src/main/kotlin/roomescape/member/implement/MemberValidator.kt
+++ b/src/main/kotlin/roomescape/member/implement/MemberValidator.kt
@@ -14,9 +14,13 @@ class MemberValidator(
     private val memberRepository: MemberRepository
 ) {
     fun validateCanSignup(email: String) {
+        log.debug { "[MemberValidator.validateCanSignup] 시작: email=$email" }
+
         if (memberRepository.existsByEmail(email)) {
             log.info { "[MemberValidator.validateCanSignup] 중복 이메일: email=$email" }
             throw MemberException(MemberErrorCode.DUPLICATE_EMAIL)
         }
+
+        log.debug { "[MemberValidator.validateCanSignup] 완료: email=$email" }
     }
 }
diff --git a/src/main/kotlin/roomescape/member/implement/MemberWriter.kt b/src/main/kotlin/roomescape/member/implement/MemberWriter.kt
index a4d78fc1..34a7b7b9 100644
--- a/src/main/kotlin/roomescape/member/implement/MemberWriter.kt
+++ b/src/main/kotlin/roomescape/member/implement/MemberWriter.kt
@@ -18,6 +18,7 @@ class MemberWriter(
     private val memberRepository: MemberRepository
 ) {
     fun create(name: String, email: String, password: String, role: Role): MemberEntity {
+        log.debug { "[MemberWriter.create] 시작: email=$email" }
         memberValidator.validateCanSignup(email)
 
         val member = MemberEntity(
@@ -29,6 +30,6 @@ class MemberWriter(
         )
 
         return memberRepository.save(member)
-            .also { log.info { "[MemberWriter.create] 회원 저장 완료: email=$email, memberId=${it.id}" } }
+            .also { log.debug { "[MemberWriter.create] 완료: email=$email, memberId=${it.id}" } }
     }
 }