diff --git a/src/main/java/com/ffii/tsms/modules/data/entity/GradeLog.java b/src/main/java/com/ffii/tsms/modules/data/entity/GradeLog.java
new file mode 100644
index 0000000..0f390dd
--- /dev/null
+++ b/src/main/java/com/ffii/tsms/modules/data/entity/GradeLog.java
@@ -0,0 +1,55 @@
+package com.ffii.tsms.modules.data.entity;
+
+import com.ffii.core.entity.BaseEntity;
+import jakarta.persistence.*;
+import jakarta.validation.constraints.NotNull;
+
+import java.time.LocalDate;
+
+@Entity
+@Table(name = "grade_log")
+public class GradeLog extends BaseEntity<Long>  {
+
+    @NotNull
+    @OneToOne
+    @JoinColumn(name = "staffId")
+    private Staff staff;
+
+    @NotNull
+    @OneToOne
+    @JoinColumn(name = "gradeId")
+    private Grade grade;
+
+    @NotNull
+    @OneToOne
+    @JoinColumn(name = "positionId")
+    private Position position;
+
+    @NotNull
+    @Column(name = "from", length = 30)
+    private LocalDate from;
+
+    @NotNull
+    @Column(name = "to", length = 30)
+    private LocalDate to;
+
+    public Staff getStaff() {
+        return staff;
+    }
+
+    public void setStaff(Staff staff) {
+        this.staff = staff;
+    }
+
+    public Grade getGrade() { return grade; }
+
+    public void setGrade(Grade grade) { this.grade = grade; }
+
+    public Position getPosition() { return position; }
+
+    public void setPosition(Position position) { this.position = position; }
+
+    public LocalDate getFrom() { return from; }
+
+    public void setFrom(LocalDate from) { this.from = from; }
+}
diff --git a/src/main/java/com/ffii/tsms/modules/data/entity/GradeLogRepository.java b/src/main/java/com/ffii/tsms/modules/data/entity/GradeLogRepository.java
new file mode 100644
index 0000000..de1920e
--- /dev/null
+++ b/src/main/java/com/ffii/tsms/modules/data/entity/GradeLogRepository.java
@@ -0,0 +1,10 @@
+package com.ffii.tsms.modules.data.entity;
+
+import com.ffii.core.support.AbstractRepository;
+import com.ffii.tsms.modules.data.entity.projections.GradeLogInfo;
+
+import java.util.List;
+
+public interface GradeLogRepository extends AbstractRepository<GradeLog, Long> {
+    List<GradeLogInfo> findGradeLogInfoByStaffIdAndDeletedFalse(Long staffId);
+}
diff --git a/src/main/java/com/ffii/tsms/modules/data/entity/projections/GradeLogInfo.kt b/src/main/java/com/ffii/tsms/modules/data/entity/projections/GradeLogInfo.kt
new file mode 100644
index 0000000..aee6ebd
--- /dev/null
+++ b/src/main/java/com/ffii/tsms/modules/data/entity/projections/GradeLogInfo.kt
@@ -0,0 +1,25 @@
+package com.ffii.tsms.modules.data.entity.projections
+
+import com.ffii.tsms.modules.data.entity.Grade
+import com.ffii.tsms.modules.data.entity.Position
+import org.springframework.beans.factory.annotation.Value
+import java.time.LocalDate
+
+interface GradeLogInfo {
+    val id: Long
+
+    @get:Value("#{target.staff.id}")
+    val staffId: Long
+
+    @get:Value("#{target.staff.name}")
+    val staffName: String
+
+    @get:Value("#{target.staff.staffId}")
+    val staffCode: String
+
+    val grade: Grade
+    val position: Position
+    val from: LocalDate
+    val to: LocalDate?
+}
+
diff --git a/src/main/java/com/ffii/tsms/modules/data/service/GradeLogService.kt b/src/main/java/com/ffii/tsms/modules/data/service/GradeLogService.kt
new file mode 100644
index 0000000..6e1b9a8
--- /dev/null
+++ b/src/main/java/com/ffii/tsms/modules/data/service/GradeLogService.kt
@@ -0,0 +1,21 @@
+package com.ffii.tsms.modules.data.service
+
+import com.ffii.core.support.AbstractBaseEntityService
+import com.ffii.core.support.JdbcDao
+import com.ffii.tsms.modules.data.entity.Department
+import com.ffii.tsms.modules.data.entity.DepartmentRepository
+import com.ffii.tsms.modules.data.entity.GradeLog
+import com.ffii.tsms.modules.data.entity.GradeLogRepository
+import com.ffii.tsms.modules.data.entity.projections.GradeLogInfo
+import org.springframework.stereotype.Service
+
+@Service
+open class GradeLogService(
+    private val gradeLogRepository: GradeLogRepository,
+    private val jdbcDao: JdbcDao,
+    ) : AbstractBaseEntityService<GradeLog, Long, GradeLogRepository>(jdbcDao, gradeLogRepository) {
+        open fun allGradeLog(staffId: Long): List<GradeLogInfo> {
+            return gradeLogRepository.findGradeLogInfoByStaffIdAndDeletedFalse(staffId)
+        }
+
+}
\ No newline at end of file
diff --git a/src/main/java/com/ffii/tsms/modules/data/web/GradeLogController.kt b/src/main/java/com/ffii/tsms/modules/data/web/GradeLogController.kt
new file mode 100644
index 0000000..fe18a68
--- /dev/null
+++ b/src/main/java/com/ffii/tsms/modules/data/web/GradeLogController.kt
@@ -0,0 +1,24 @@
+package com.ffii.tsms.modules.data.web
+
+import com.ffii.tsms.modules.data.entity.GradeLog
+import com.ffii.tsms.modules.data.entity.GradeLogRepository
+import com.ffii.tsms.modules.data.entity.projections.GradeLogInfo
+import com.ffii.tsms.modules.data.service.GradeLogService
+import com.ffii.tsms.modules.project.entity.projections.ProjectSearchInfo
+import org.springframework.web.bind.annotation.GetMapping
+import org.springframework.web.bind.annotation.PathVariable
+import org.springframework.web.bind.annotation.RequestMapping
+import org.springframework.web.bind.annotation.RestController
+
+@RestController
+@RequestMapping("/gradeLog")
+class GradeLogController(
+    private val gradeLogService: GradeLogService,
+    private val gradeLogRepository: GradeLogRepository,
+) {
+
+    @GetMapping("/{staffId}")
+    fun allGradeLog(@PathVariable staffId: Long): List<GradeLogInfo> {
+        return gradeLogService.allGradeLog(staffId)
+    }
+}
\ No newline at end of file
diff --git a/src/main/resources/db/changelog/changes/20240830_01_derek/01_grade_log.sql b/src/main/resources/db/changelog/changes/20240830_01_derek/01_grade_log.sql
new file mode 100644
index 0000000..c92e610
--- /dev/null
+++ b/src/main/resources/db/changelog/changes/20240830_01_derek/01_grade_log.sql
@@ -0,0 +1,22 @@
+-- liquibase formatted sql
+-- changeset derek:create grade log table
+
+CREATE TABLE grade_log (
+  id INT NOT NULL AUTO_INCREMENT,
+  version INT NOT NULL DEFAULT '0',
+  created DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  createdBy VARCHAR(30) NULL,
+  modified DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+  modifiedBy VARCHAR(30) NULL,
+  deleted TINYINT(1) NOT NULL DEFAULT '0',
+  staffId INT NOT NULL,
+  gradeId INT NOT NULL,
+  positionId INT NOT NULL,
+  `from` DATE NOT NULL,
+  `to` DATE NULL,
+  CONSTRAINT pk_grade_log PRIMARY KEY (id)
+);
+
+ALTER TABLE grade_log ADD CONSTRAINT FK_GRADE_LOG_ON_STAFFID FOREIGN KEY (staffId) REFERENCES staff (id);
+ALTER TABLE grade_log ADD CONSTRAINT FK_GRADE_LOG_ON_GRADEID FOREIGN KEY (gradeId) REFERENCES grade (id);
+ALTER TABLE grade_log ADD CONSTRAINT FK_GRADE_LOG_ON_POSITIONID FOREIGN KEY (positionId) REFERENCES `position` (id);
\ No newline at end of file