diff --git a/src/controllers/userProfileController.deleteUserProfile.spec.js b/src/controllers/userProfileController.deleteUserProfile.spec.js
new file mode 100644
index 000000000..bdd82565c
--- /dev/null
+++ b/src/controllers/userProfileController.deleteUserProfile.spec.js
@@ -0,0 +1,100 @@
+jest.mock('../helpers/userHelper', () => () => ({}));
+jest.mock('../models/timeentry', () => ({}));
+jest.mock('../models/team', () => ({
+  updateMany: jest.fn(),
+}));
+jest.mock('../models/badge', () => ({}));
+jest.mock('../utilities/nodeCache', () =>
+  jest.fn(() => ({
+    removeCache: jest.fn(),
+    getCache: jest.fn(() => null),
+    setCache: jest.fn(),
+  })),
+);
+jest.mock('../models/followUp', () => ({
+  findOneAndDelete: jest.fn(),
+}));
+jest.mock('../models/task', () => ({
+  updateMany: jest.fn(),
+}));
+jest.mock('../models/hgnFormResponse', () => ({}));
+jest.mock('../services/userService', () => ({}));
+jest.mock('../utilities/permissions', () => ({
+  hasPermission: jest.fn(),
+  canRequestorUpdateUser: jest.fn(),
+}));
+jest.mock('../utilities/emailSender', () => jest.fn());
+jest.mock('../utilities/objectUtils', () => ({
+  deepCopyMongooseObjectWithLodash: jest.fn((value) => value),
+}));
+jest.mock('../startup/logger', () => ({
+  logInfo: jest.fn(),
+  logException: jest.fn(),
+}));
+jest.mock('./reportsController', () => () => ({}));
+
+const mongoose = require('mongoose');
+const Team = require('../models/team');
+const Task = require('../models/task');
+const followUp = require('../models/followUp');
+const { hasPermission, canRequestorUpdateUser } = require('../utilities/permissions');
+const { mockReq, mockRes } = require('../test');
+const userProfileController = require('./userProfileController');
+
+describe('userProfileController deleteUserProfile', () => {
+  const userId = '65cf6c3706d8ac105827bb2e';
+  const mockUserProfileModel = {
+    findById: jest.fn(),
+    deleteOne: jest.fn(),
+  };
+
+  const makeSut = () => userProfileController(mockUserProfileModel, {});
+
+  beforeEach(() => {
+    jest.clearAllMocks();
+    hasPermission.mockResolvedValue(true);
+    canRequestorUpdateUser.mockResolvedValue(true);
+    mockUserProfileModel.findById.mockResolvedValue({
+      _id: userId,
+      email: 'volunteer@example.org',
+    });
+    mockUserProfileModel.deleteOne.mockResolvedValue({ deletedCount: 1 });
+    followUp.findOneAndDelete.mockResolvedValue({});
+    Task.updateMany.mockResolvedValue({ modifiedCount: 1 });
+    Team.updateMany.mockResolvedValue({ modifiedCount: 1 });
+    mockRes.status.mockReturnThis();
+
+    mockReq.body = {
+      ...mockReq.body,
+      userId,
+      option: 'delete',
+      role: 'Volunteer',
+      requestor: {
+        ...mockReq.body.requestor,
+        requestorId: '507f1f77bcf86cd799439011',
+      },
+    };
+  });
+
+  test('removes deleted users from tasks and teams using both string and ObjectId matches', async () => {
+    const { deleteUserProfile } = makeSut();
+
+    await deleteUserProfile(mockReq, mockRes);
+
+    const expectedObjectId = new mongoose.Types.ObjectId(userId);
+    const expectedMatchedUserIds = [userId, expectedObjectId];
+
+    expect(mockUserProfileModel.deleteOne).toHaveBeenCalledWith({ _id: userId });
+    expect(followUp.findOneAndDelete).toHaveBeenCalledWith({ userId });
+    expect(Task.updateMany).toHaveBeenCalledWith(
+      { 'resources.userID': { $in: expectedMatchedUserIds } },
+      { $pull: { resources: { userID: { $in: expectedMatchedUserIds } } } },
+    );
+    expect(Team.updateMany).toHaveBeenCalledWith(
+      { 'members.userId': { $in: expectedMatchedUserIds } },
+      { $pull: { members: { userId: { $in: expectedMatchedUserIds } } } },
+    );
+    expect(mockRes.status).toHaveBeenCalledWith(200);
+    expect(mockRes.send).toHaveBeenCalledWith({ message: 'Executed Successfully' });
+  });
+});
diff --git a/src/controllers/userProfileController.js b/src/controllers/userProfileController.js
index 412b0a42d..cc9de5f5b 100644
--- a/src/controllers/userProfileController.js
+++ b/src/controllers/userProfileController.js
@@ -21,6 +21,7 @@ const Badge = require('../models/badge');
 const yearMonthDayDateValidator = require('../utilities/yearMonthDayDateValidator');
 const cacheClosure = require('../utilities/nodeCache');
 const followUp = require('../models/followUp');
+const Task = require('../models/task');
 const HGNFormResponses = require('../models/hgnFormResponse');
 const userService = require('../services/userService');
 const { hasPermission, canRequestorUpdateUser } = require('../utilities/permissions');
@@ -1427,6 +1428,20 @@ const createControllerMethods = function (UserProfile, Project, cache) {
       await UserProfile.deleteOne({ _id: userId });
       // delete followUp for deleted user
       await followUp.findOneAndDelete({ userId });
+      const matchedUserIds = [userId];
+      if (mongoose.Types.ObjectId.isValid(userId)) {
+        matchedUserIds.push(new mongoose.Types.ObjectId(userId));
+      }
+      // delete user from task-resources
+      await Task.updateMany(
+        { 'resources.userID': { $in: matchedUserIds } },
+        { $pull: { resources: { userID: { $in: matchedUserIds } } } },
+      );
+      // delete user from teams-members
+      await Team.updateMany(
+        { 'members.userId': { $in: matchedUserIds } },
+        { $pull: { members: { userId: { $in: matchedUserIds } } } },
+      );
       res.status(200).send({ message: 'Executed Successfully' });
       auditIfProtectedAccountUpdated({
         requestorId: req.body.requestor.requestorId,