diff --git a/mapstruct-2/src/main/java/com/baeldung/mapstruct/iterable/DepartmentMapper.java b/mapstruct-2/src/main/java/com/baeldung/mapstruct/iterable/DepartmentMapper.java
new file mode 100644
index 000000000000..b822dcf347c9
--- /dev/null
+++ b/mapstruct-2/src/main/java/com/baeldung/mapstruct/iterable/DepartmentMapper.java
@@ -0,0 +1,25 @@
+package com.baeldung.mapstruct.iterable;
+
+import java.util.List;
+
+import org.mapstruct.Mapper;
+import org.mapstruct.Mapping;
+import org.mapstruct.factory.Mappers;
+
+import com.baeldung.mapstruct.iterable.model.Department;
+import com.baeldung.mapstruct.iterable.model.Employee;
+
+@Mapper
+public interface DepartmentMapper {
+    DepartmentMapper INSTANCE = Mappers.getMapper(DepartmentMapper.class);
+
+    default Department map(List<Employee> employees) {
+        Department department = new Department();
+        department.setEmployees(employees);
+        return department;
+    }
+
+    @Mapping(target = "employees", source = "employees")
+    @Mapping(target = "manager", source = "departmentManager")
+    Department mapWithManager(List<Employee> employees, Employee departmentManager);
+}
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diff --git a/mapstruct-2/src/main/java/com/baeldung/mapstruct/iterable/model/Department.java b/mapstruct-2/src/main/java/com/baeldung/mapstruct/iterable/model/Department.java
new file mode 100644
index 000000000000..17c871c3e873
--- /dev/null
+++ b/mapstruct-2/src/main/java/com/baeldung/mapstruct/iterable/model/Department.java
@@ -0,0 +1,25 @@
+package com.baeldung.mapstruct.iterable.model;
+
+import java.util.List;
+
+public class Department {
+
+    private List<Employee> employees;
+    private Employee manager;
+
+    public List<Employee> getEmployees() {
+        return employees;
+    }
+
+    public void setEmployees(List<Employee> employees) {
+        this.employees = employees;
+    }
+
+    public Employee getManager() {
+        return manager;
+    }
+
+    public void setManager(Employee manager) {
+        this.manager = manager;
+    }
+}
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diff --git a/mapstruct-2/src/main/java/com/baeldung/mapstruct/iterable/model/Employee.java b/mapstruct-2/src/main/java/com/baeldung/mapstruct/iterable/model/Employee.java
new file mode 100644
index 000000000000..873edd55d424
--- /dev/null
+++ b/mapstruct-2/src/main/java/com/baeldung/mapstruct/iterable/model/Employee.java
@@ -0,0 +1,31 @@
+package com.baeldung.mapstruct.iterable.model;
+
+public class Employee {
+
+    private String name;
+    private String phoneNumber;
+
+    public Employee() {
+    }
+
+    public Employee(String name, String phoneNumber) {
+        this.name = name;
+        this.phoneNumber = phoneNumber;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getPhoneNumber() {
+        return phoneNumber;
+    }
+
+    public void setPhoneNumber(String phoneNumber) {
+        this.phoneNumber = phoneNumber;
+    }
+}
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diff --git a/mapstruct-2/src/test/java/com/baeldung/mapstruct/iterable/DepartmentMapperTest.java b/mapstruct-2/src/test/java/com/baeldung/mapstruct/iterable/DepartmentMapperTest.java
new file mode 100644
index 000000000000..e1f116df8a28
--- /dev/null
+++ b/mapstruct-2/src/test/java/com/baeldung/mapstruct/iterable/DepartmentMapperTest.java
@@ -0,0 +1,51 @@
+package com.baeldung.mapstruct.iterable;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+
+import java.util.Arrays;
+import java.util.List;
+
+import org.junit.jupiter.api.Test;
+
+import com.baeldung.mapstruct.iterable.model.Department;
+import com.baeldung.mapstruct.iterable.model.Employee;
+
+public class DepartmentMapperTest {
+
+    private final DepartmentMapper departmentMapper = DepartmentMapper.INSTANCE;
+    private final List<Employee> employees = Arrays.asList(
+        new Employee("John", "(555)1111-1234"),
+        new Employee("Jane", "(555)2222-4321")
+    );
+
+    @Test
+    void givenListOfEmployees_whenMapDepartment_thenAssertMappingIsSuccessful() {
+        Department department = departmentMapper.map(employees);
+
+        assertNotNull(department);
+        assertNotNull(department.getEmployees());
+        assertEquals(employees.size(), department.getEmployees().size());
+        assertEquals(employees.get(0).getName(), department.getEmployees().get(0).getName());
+        assertEquals(employees.get(0).getPhoneNumber(), department.getEmployees().get(0).getPhoneNumber());
+        assertEquals(employees.get(1).getName(), department.getEmployees().get(1).getName());
+        assertEquals(employees.get(1).getPhoneNumber(), department.getEmployees().get(1).getPhoneNumber());
+    }
+
+    @Test
+    void givenListOfEmployeesAndManager_whenMapDepartment_thenAssertMappingIsSuccessful() {
+        Department department = departmentMapper.mapWithManager(employees, employees.get(0));
+
+        assertNotNull(department);
+        assertNotNull(department.getEmployees());
+        assertEquals(employees.size(), department.getEmployees().size());
+        assertEquals(employees.get(0).getName(), department.getEmployees().get(0).getName());
+        assertEquals(employees.get(0).getPhoneNumber(), department.getEmployees().get(0).getPhoneNumber());
+        assertEquals(employees.get(1).getName(), department.getEmployees().get(1).getName());
+        assertEquals(employees.get(1).getPhoneNumber(), department.getEmployees().get(1).getPhoneNumber());
+
+        assertNotNull(department.getManager());
+        assertEquals(department.getManager().getName(), department.getEmployees().get(0).getName());
+        assertEquals(department.getManager().getPhoneNumber(), department.getEmployees().get(0).getPhoneNumber());
+    }
+}
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