diff --git a/backend/src/auth/__test__/auth.service.spec.ts b/backend/src/auth/__test__/auth.service.spec.ts
index 71f46329..a9ca4258 100644
--- a/backend/src/auth/__test__/auth.service.spec.ts
+++ b/backend/src/auth/__test__/auth.service.spec.ts
@@ -110,6 +110,9 @@ describe('AuthService', () => {
     }).compile();
 
     service = module.get<AuthService>(AuthService);
+    (service as any).grantService = {
+    updateGrantsByPOC: vi.fn().mockResolvedValue(undefined),
+    };
   });
 
   // ── register ────────────────────────────────────────────────────────────────
diff --git a/backend/src/auth/auth.module.ts b/backend/src/auth/auth.module.ts
index 236c1913..a1d1a2ac 100644
--- a/backend/src/auth/auth.module.ts
+++ b/backend/src/auth/auth.module.ts
@@ -2,6 +2,7 @@ import { Module } from '@nestjs/common';
 import { JwtModule } from '@nestjs/jwt';
 import { AuthController } from './auth.controller';
 import { AuthService } from './auth.service';
+import { GrantModule } from '../grant/grant.module';
 
 @Module({
   imports: [
@@ -9,14 +10,10 @@ import { AuthService } from './auth.service';
       secret: process.env.JWT_SECRET,
       signOptions: { expiresIn: '1h' },
     }),
+    GrantModule,
   ],
   controllers: [AuthController],
-  providers: [
-    {
-      provide: AuthService,
-      useClass: AuthService,
-    },
-  ],
+  providers: [AuthService],
   exports: [AuthService],
 })
 export class AuthModule {}
\ No newline at end of file
diff --git a/backend/src/auth/auth.service.ts b/backend/src/auth/auth.service.ts
index c13507e0..45fee677 100644
--- a/backend/src/auth/auth.service.ts
+++ b/backend/src/auth/auth.service.ts
@@ -9,6 +9,7 @@ import { group, table } from "console";
 import * as crypto from "crypto";
 import { User } from "../../../middle-layer/types/User";
 import { UserStatus } from "../../../middle-layer/types/UserStatus";
+import { GrantService } from '../grant/grant.service';
 import {
   HttpException,
   HttpStatus,
@@ -37,7 +38,7 @@ export class AuthService {
       .digest("base64");
   }
 
-  constructor() {
+  constructor(private readonly grantService: GrantService) {
     try {
       this.logger.log("Starting AuthService constructor...");
       this.logger.log("AWS module:", typeof AWS);
@@ -882,6 +883,42 @@ async updateProfile(
 
       throw new InternalServerErrorException("Failed to update user data in database");
     }
+          // ── Step 3: Update grants where user is BCAN POC ──────────────────────
+      try {
+        await this.grantService.updateGrantsByPOC(
+          currentEmail,
+          newEmail,
+          `${firstName} ${lastName}`,
+        );
+        this.logger.log(`Grants updated for new POC info`);
+      } catch (grantError: any) {
+        this.logger.error(`Failed to update grants, rolling back profile changes`, grantError);
+
+        // Rollback DynamoDB
+        await this.dynamoDb.update({
+          TableName: tableName,
+          Key: { email: currentEmail },
+          UpdateExpression: "SET firstName = :firstName, lastName = :lastName, email = :email",
+          ExpressionAttributeValues: {
+            ":firstName": existingUser.firstName,
+            ":lastName": existingUser.lastName,
+            ":email": currentEmail,
+          },
+          ReturnValues: "NONE",
+        }).promise();
+        this.logger.log(`DynamoDB rolled back to original values`);
+
+        // Rollback Cognito if email changed
+        if (isEmailChanging) {
+          await this.cognito.updateUserAttributes({
+            AccessToken: accessToken,
+            UserAttributes: [{ Name: "email", Value: currentEmail }],
+          }).promise();
+          this.logger.log(`Cognito rolled back to ${currentEmail}`);
+        }
+
+        throw new InternalServerErrorException("Failed to update grants. All changes have been rolled back.");
+      }
   } catch (error) {
     if (error instanceof HttpException) {
       throw error;
diff --git a/backend/src/grant/grant.module.ts b/backend/src/grant/grant.module.ts
index cd670d73..0d6e97d5 100644
--- a/backend/src/grant/grant.module.ts
+++ b/backend/src/grant/grant.module.ts
@@ -6,5 +6,6 @@ import { NotificationsModule } from '../notifications/notification.module';
     imports: [NotificationsModule],
     controllers: [GrantController],
     providers: [GrantService],
+    exports: [GrantService],
 })
 export class GrantModule { }
\ No newline at end of file
diff --git a/backend/src/grant/grant.service.ts b/backend/src/grant/grant.service.ts
index 1614c13d..4cd5f151 100644
--- a/backend/src/grant/grant.service.ts
+++ b/backend/src/grant/grant.service.ts
@@ -641,4 +641,36 @@ export class GrantService {
     const diffMs = +new Date(deadline) - +new Date(alertTime);
     return Math.round(diffMs / (1000 * 60 * 60 * 24));
   }
+
+  // Updates the POC of grants after that POC changes their contact info
+  async updateGrantsByPOC(
+    currentEmail: string,
+    newEmail: string,
+    newName: string,
+  ): Promise<void> {
+    this.logger.log(`Updating grants where bcan_poc email is ${currentEmail}`);
+
+    const tableName = process.env.DYNAMODB_GRANT_TABLE_NAME || 'TABLE_FAILURE';
+    if (tableName === 'TABLE_FAILURE') {
+        throw new InternalServerErrorException('Server configuration error: DynamoDB table name not configured');
+    }
+
+    const data = await this.dynamoDb.scan({ TableName: tableName }).promise();
+    const grants = (data.Items as Grant[]) || [];
+
+    const affectedGrants = grants.filter(
+        (g) => g.bcan_poc?.POC_email?.toLowerCase() === currentEmail.toLowerCase()
+    );
+
+    this.logger.log(`Found ${affectedGrants.length} grants to update`);
+
+    for (const grant of affectedGrants) {
+        await this.updateGrant({
+        ...grant,
+        bcan_poc: { POC_name: newName, POC_email: newEmail },
+        });
+    }
+
+    this.logger.log(`Successfully updated ${affectedGrants.length} grants for new POC info`);
+  }
 }
\ No newline at end of file
diff --git a/frontend/src/main-page/settings/Settings.tsx b/frontend/src/main-page/settings/Settings.tsx
index dd653299..ad90040f 100644
--- a/frontend/src/main-page/settings/Settings.tsx
+++ b/frontend/src/main-page/settings/Settings.tsx
@@ -13,6 +13,7 @@ import ChangePasswordModal, { ChangePasswordFormValues } from "./ChangePasswordM
 import { getAppStore } from "../../external/bcanSatchel/store";
 import { setActiveUsers, updateUserProfile } from "../../external/bcanSatchel/actions";
 import { User } from "../../../../middle-layer/types/User";
+import { fetchGrants } from "../grants/filter-bar/processGrantData";
 import { InputField } from "../../sign-up";
 
 const EMAIL_REGEX = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
@@ -104,6 +105,7 @@ function Settings() {
             ]);
       updateUserProfile(updatedUser);
       setPersonalInfo(editForm);
+      await fetchGrants();
 
       setIsEditingPersonalInfo(false);
       setPersonalInfoError(null);