diff --git a/src/libs/actions/Policy.js b/src/libs/actions/Policy.js
index 4b585da62ba5..231bce5aae0c 100644
--- a/src/libs/actions/Policy.js
+++ b/src/libs/actions/Policy.js
@@ -7,11 +7,13 @@ import {escapeRegExp} from 'lodash';
 import * as API from '../API';
 import ONYXKEYS from '../../ONYXKEYS';
 import CONST from '../../CONST';
+import * as LocalePhoneNumber from '../LocalePhoneNumber';
 import * as OptionsListUtils from '../OptionsListUtils';
 import * as ErrorUtils from '../ErrorUtils';
 import * as ReportUtils from '../ReportUtils';
 import Log from '../Log';
 import Permissions from '../Permissions';
+import * as UserUtils from '../UserUtils';
 
 const allPolicies = {};
 Onyx.connect({
@@ -355,6 +357,24 @@ function addMembersToWorkspace(invitedEmailsToAccountIDs, welcomeNote, policyID,
     // create onyx data for policy expense chats for each new member
     const membersChats = createPolicyExpenseChats(policyID, invitedEmailsToAccountIDs, betas);
 
+    // Optimistic personal details for the new accounts invited
+    const optimisticPersonalDetails = _.chain(invitedEmailsToAccountIDs)
+        .map(
+            (accountID, memberLogin) =>
+                !_.has(allPersonalDetails, accountID) && [
+                    accountID,
+                    {
+                        accountID,
+                        avatar: UserUtils.getDefaultAvatarURL(accountID),
+                        displayName: LocalePhoneNumber.formatPhoneNumber(memberLogin),
+                        login: OptionsListUtils.addSMSDomainIfPhoneNumber(memberLogin),
+                    },
+                ],
+        )
+        .compact()
+        .object()
+        .value();
+
     const optimisticData = [
         {
             onyxMethod: Onyx.METHOD.MERGE,
@@ -364,6 +384,11 @@ function addMembersToWorkspace(invitedEmailsToAccountIDs, welcomeNote, policyID,
             value: _.object(accountIDs, Array(accountIDs.length).fill({pendingAction: CONST.RED_BRICK_ROAD_PENDING_ACTION.ADD})),
         },
         ...membersChats.onyxOptimisticData,
+        {
+            onyxMethod: Onyx.METHOD.MERGE,
+            key: ONYXKEYS.PERSONAL_DETAILS_LIST,
+            value: optimisticPersonalDetails,
+        },
     ];
 
     const successData = [
@@ -376,6 +401,11 @@ function addMembersToWorkspace(invitedEmailsToAccountIDs, welcomeNote, policyID,
             value: _.object(accountIDs, Array(accountIDs.length).fill({pendingAction: null, errors: null})),
         },
         ...membersChats.onyxSuccessData,
+        {
+            onyxMethod: Onyx.METHOD.MERGE,
+            key: ONYXKEYS.PERSONAL_DETAILS_LIST,
+            value: _.object(_.keys(optimisticPersonalDetails), Array(_.size(optimisticPersonalDetails)).fill(null)),
+        },
     ];
 
     const failureData = [
@@ -743,6 +773,9 @@ function clearAddMemberError(policyID, accountID) {
     Onyx.merge(`${ONYXKEYS.COLLECTION.POLICY_MEMBERS}${policyID}`, {
         [accountID]: null,
     });
+    Onyx.merge(`${ONYXKEYS.PERSONAL_DETAILS_LIST}`, {
+        [accountID]: null,
+    });
 }
 
 /**