diff --git a/apps/web/src/app/organizations/core/services/index.ts b/apps/web/src/app/organizations/core/services/index.ts
index 7864ce90ac4..1e670faccd6 100644
--- a/apps/web/src/app/organizations/core/services/index.ts
+++ b/apps/web/src/app/organizations/core/services/index.ts
@@ -1,2 +1,3 @@
 export * from "./group/group.service";
 export * from "./collection-admin.service";
+export * from "./user-admin.service";
diff --git a/apps/web/src/app/organizations/core/services/user-admin.service.ts b/apps/web/src/app/organizations/core/services/user-admin.service.ts
new file mode 100644
index 00000000000..76e48f1c5d9
--- /dev/null
+++ b/apps/web/src/app/organizations/core/services/user-admin.service.ts
@@ -0,0 +1,82 @@
+import { Injectable } from "@angular/core";
+
+import { OrganizationUserService } from "@bitwarden/common/abstractions/organization-user/organization-user.service";
+import {
+  OrganizationUserInviteRequest,
+  OrganizationUserUpdateRequest,
+} from "@bitwarden/common/abstractions/organization-user/requests";
+import { OrganizationUserDetailsResponse } from "@bitwarden/common/abstractions/organization-user/responses";
+
+import { CoreOrganizationModule } from "../core-organization.module";
+import { OrganizationUserAdminView } from "../views/user-admin-view";
+
+@Injectable({ providedIn: CoreOrganizationModule })
+export class UserAdminService {
+  constructor(private organizationUserService: OrganizationUserService) {}
+
+  async get(
+    organizationId: string,
+    organizationUserId: string
+  ): Promise<OrganizationUserAdminView | undefined> {
+    const userResponse = await this.organizationUserService.getOrganizationUser(
+      organizationId,
+      organizationUserId
+    );
+
+    if (userResponse == null) {
+      return undefined;
+    }
+
+    const [view] = await this.decryptMany(organizationId, [userResponse]);
+
+    return view;
+  }
+
+  async save(user: OrganizationUserAdminView): Promise<void> {
+    const request = new OrganizationUserUpdateRequest();
+    request.accessAll = user.accessAll;
+    request.permissions = user.permissions;
+    request.type = user.type;
+    request.collections = user.collections;
+
+    await this.organizationUserService.putOrganizationUser(user.organizationId, user.id, request);
+  }
+
+  async invite(emails: string[], user: OrganizationUserAdminView): Promise<void> {
+    const request = new OrganizationUserInviteRequest();
+    request.emails = emails;
+    request.accessAll = user.accessAll;
+    request.permissions = user.permissions;
+    request.type = user.type;
+    request.collections = user.collections;
+
+    await this.organizationUserService.postOrganizationUserInvite(user.organizationId, request);
+  }
+
+  private async decryptMany(
+    organizationId: string,
+    users: OrganizationUserDetailsResponse[]
+  ): Promise<OrganizationUserAdminView[]> {
+    const promises = users.map(async (u) => {
+      const view = new OrganizationUserAdminView();
+
+      view.id = u.id;
+      view.organizationId = organizationId;
+      view.userId = u.userId;
+      view.type = u.type;
+      view.status = u.status;
+      view.accessAll = u.accessAll;
+      view.permissions = u.permissions;
+      view.resetPasswordEnrolled = u.resetPasswordEnrolled;
+      view.collections = u.collections.map((c) => ({
+        id: c.id,
+        hidePasswords: c.hidePasswords,
+        readOnly: c.readOnly,
+      }));
+
+      return view;
+    });
+
+    return await Promise.all(promises);
+  }
+}
diff --git a/apps/web/src/app/organizations/core/views/index.ts b/apps/web/src/app/organizations/core/views/index.ts
index 5ecfed1efdf..1ac450d8904 100644
--- a/apps/web/src/app/organizations/core/views/index.ts
+++ b/apps/web/src/app/organizations/core/views/index.ts
@@ -1,3 +1,5 @@
 export * from "./collection-access-selection.view";
 export * from "./collection-admin.view";
 export * from "./group.view";
+export * from "./organization-user.view";
+export * from "./user-admin-view";
diff --git a/apps/web/src/app/organizations/core/views/user-admin-view.ts b/apps/web/src/app/organizations/core/views/user-admin-view.ts
new file mode 100644
index 00000000000..5496d3475bb
--- /dev/null
+++ b/apps/web/src/app/organizations/core/views/user-admin-view.ts
@@ -0,0 +1,18 @@
+import { OrganizationUserStatusType } from "@bitwarden/common/enums/organizationUserStatusType";
+import { OrganizationUserType } from "@bitwarden/common/enums/organizationUserType";
+import { PermissionsApi } from "@bitwarden/common/models/api/permissions.api";
+
+import { CollectionAccessSelectionView } from "./collection-access-selection.view";
+
+export class OrganizationUserAdminView {
+  id: string;
+  userId: string;
+  organizationId: string;
+  type: OrganizationUserType;
+  status: OrganizationUserStatusType;
+  accessAll: boolean;
+  permissions: PermissionsApi;
+  resetPasswordEnrolled: boolean;
+
+  collections: CollectionAccessSelectionView[] = [];
+}
diff --git a/apps/web/src/app/organizations/manage/user-add-edit.component.ts b/apps/web/src/app/organizations/manage/user-add-edit.component.ts
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/apps/web/src/app/organizations/members/components/member-dialog/member-dialog.component.html b/apps/web/src/app/organizations/members/components/member-dialog/member-dialog.component.html
index f4d53b4ce22..55c60e88519 100644
--- a/apps/web/src/app/organizations/members/components/member-dialog/member-dialog.component.html
+++ b/apps/web/src/app/organizations/members/components/member-dialog/member-dialog.component.html
@@ -1,5 +1,5 @@
 <form [formGroup]="formGroup" [bitSubmit]="submit">
-  <bit-dialog dialogSize="large" [disablePadding]="!loading">
+  <bit-dialog [disablePadding]="!loading">
     <span bitDialogTitle>
       {{ title }}
       <span class="tw-text-sm tw-normal-case tw-text-muted" *ngIf="!loading && params.name">{{
@@ -114,6 +114,7 @@
               id="userTypeCustom"
               [value]="organizationUserType.Custom"
               [(ngModel)]="type"
+              [ngModelOptions]="{ standalone: true }"
               [attr.disabled]="!canUseCustomPermissions || null"
             />
             <label class="form-check-label" for="userTypeCustom">
@@ -283,112 +284,41 @@
               </div>
             </div>
           </ng-container>
-          <h3 class="mt-4 d-flex">
-            <div class="mb-3">
-              {{ "accessControl" | i18n }}
-              <a
-                target="_blank"
-                rel="noopener"
-                appA11yTitle="{{ 'learnMore' | i18n }}"
-                href="https://bitwarden.com/help/user-types-access-control/#access-control"
-              >
-                <i class="bwi bwi-question-circle" aria-hidden="true"></i>
-              </a>
-            </div>
-            <div class="ml-auto" *ngIf="access === 'selected' && collections && collections.length">
-              <button type="button" (click)="selectAll(true)" class="btn btn-link btn-sm py-0">
-                {{ "selectAll" | i18n }}
-              </button>
-              <button type="button" (click)="selectAll(false)" class="btn btn-link btn-sm py-0">
-                {{ "unselectAll" | i18n }}
-              </button>
-            </div>
-          </h3>
-          <div class="form-group" [ngClass]="{ 'mb-0': access !== 'selected' }">
-            <div class="form-check">
-              <input
-                class="form-check-input"
-                type="radio"
-                name="access"
-                id="accessAll"
-                value="all"
-                [ngModelOptions]="{ standalone: true }"
-                [(ngModel)]="access"
-              />
-              <label class="form-check-label" for="accessAll">
-                {{ "userAccessAllItems" | i18n }}
-              </label>
-            </div>
-            <div class="form-check">
-              <input
-                class="form-check-input"
-                type="radio"
-                name="access"
-                id="accessSelected"
-                value="selected"
-                [ngModelOptions]="{ standalone: true }"
-                [(ngModel)]="access"
-              />
-              <label class="form-check-label" for="accessSelected">
-                {{ "userAccessSelectedCollections" | i18n }}
-              </label>
-            </div>
-          </div>
-          <ng-container *ngIf="access === 'selected'">
-            <div *ngIf="!collections || !collections.length">
-              {{ "noCollectionsInList" | i18n }}
-            </div>
-            <table
-              class="table table-hover table-list mb-0"
-              *ngIf="collections && collections.length"
-            >
-              <thead>
-                <tr>
-                  <th>&nbsp;</th>
-                  <th>{{ "name" | i18n }}</th>
-                  <th width="100" class="text-center">{{ "hidePasswords" | i18n }}</th>
-                  <th width="100" class="text-center">{{ "readOnly" | i18n }}</th>
-                </tr>
-              </thead>
-              <tbody>
-                <tr *ngFor="let c of collections; let i = index">
-                  <td class="table-list-checkbox" (click)="check(c)">
-                    <input
-                      type="checkbox"
-                      [ngModelOptions]="{ standalone: true }"
-                      [(ngModel)]="$any(c).checked"
-                      name="Collection[{{ i }}].Checked"
-                      appStopProp
-                    />
-                  </td>
-                  <td (click)="check(c)">
-                    {{ c.name }}
-                  </td>
-                  <td class="text-center">
-                    <input
-                      type="checkbox"
-                      [ngModelOptions]="{ standalone: true }"
-                      [(ngModel)]="c.hidePasswords"
-                      name="Collection[{{ i }}].HidePasswords"
-                      [disabled]="!$any(c).checked"
-                    />
-                  </td>
-                  <td class="text-center">
-                    <input
-                      type="checkbox"
-                      [ngModelOptions]="{ standalone: true }"
-                      [(ngModel)]="c.readOnly"
-                      name="Collection[{{ i }}].ReadOnly"
-                      [disabled]="!$any(c).checked"
-                    />
-                  </td>
-                </tr>
-              </tbody>
-            </table>
-          </ng-container>
         </bit-tab>
-        <bit-tab [label]="'groups' | i18n">Groups</bit-tab>
-        <bit-tab [label]="'collections' | i18n">Collections</bit-tab>
+        <bit-tab *ngIf="organization.useGroups" [label]="'groups' | i18n"> Groups </bit-tab>
+        <bit-tab [label]="'collections' | i18n">
+          <div *ngIf="organization.useGroups" class="tw-mb-6">
+            {{ "userPermissionOverrideHelper" | i18n }}
+          </div>
+          <div class="tw-mb-6">
+            <!-- TODO: Replace with bit-checkbox when feature has been merged into feature branch -->
+            <label>
+              <input type="checkbox" formControlName="accessAllCollections" />
+              <span class="tw-bold"
+                >{{ "accessAllCollectionsDesc" | i18n }}
+                <a
+                  target="_blank"
+                  rel="noopener"
+                  appA11yTitle="{{ 'learnMore' | i18n }}"
+                  href="https://bitwarden.com/help/user-types-access-control/#access-control"
+                >
+                  <i class="bwi bwi-question-circle" aria-hidden="true"></i>
+                </a>
+              </span>
+            </label>
+            <div class="tw-text-muted">{{ "accessAllCollectionsHelp" | i18n }}</div>
+          </div>
+          <bit-access-selector
+            *ngIf="!accessAllCollections"
+            [permissionMode]="PermissionMode.Edit"
+            formControlName="access"
+            [showGroupColumn]="organization.useGroups"
+            [items]="accessItems"
+            [columnHeader]="'collection' | i18n"
+            [selectorLabelText]="'selectCollections' | i18n"
+            [emptySelectionText]="'noCollectionsAdded' | i18n"
+          ></bit-access-selector
+        ></bit-tab>
       </bit-tab-group>
     </div>
     <div bitDialogFooter class="tw-flex tw-flex-row tw-gap-2">
diff --git a/apps/web/src/app/organizations/members/components/member-dialog/member-dialog.component.ts b/apps/web/src/app/organizations/members/components/member-dialog/member-dialog.component.ts
index 96b30af07ea..59fea5ab6f2 100644
--- a/apps/web/src/app/organizations/members/components/member-dialog/member-dialog.component.ts
+++ b/apps/web/src/app/organizations/members/components/member-dialog/member-dialog.component.ts
@@ -1,16 +1,13 @@
-import { DialogConfig, DialogRef, DIALOG_DATA } from "@angular/cdk/dialog";
-import { Component, Inject, OnInit } from "@angular/core";
+import { DIALOG_DATA, DialogConfig, DialogRef } from "@angular/cdk/dialog";
+import { Component, Inject, OnDestroy, OnInit } from "@angular/core";
 import { FormBuilder } from "@angular/forms";
+import { combineLatest, of, shareReplay, Subject, switchMap, takeUntil } from "rxjs";
 
 import { ApiService } from "@bitwarden/common/abstractions/api.service";
 import { CollectionService } from "@bitwarden/common/abstractions/collection.service";
 import { I18nService } from "@bitwarden/common/abstractions/i18n.service";
 import { LogService } from "@bitwarden/common/abstractions/log.service";
 import { OrganizationUserService } from "@bitwarden/common/abstractions/organization-user/organization-user.service";
-import {
-  OrganizationUserInviteRequest,
-  OrganizationUserUpdateRequest,
-} from "@bitwarden/common/abstractions/organization-user/requests";
 import { OrganizationService } from "@bitwarden/common/abstractions/organization/organization.service.abstraction";
 import { PlatformUtilsService } from "@bitwarden/common/abstractions/platformUtils.service";
 import { OrganizationUserStatusType } from "@bitwarden/common/enums/organizationUserStatusType";
@@ -18,11 +15,28 @@ import { OrganizationUserType } from "@bitwarden/common/enums/organizationUserTy
 import { PermissionsApi } from "@bitwarden/common/models/api/permissions.api";
 import { CollectionData } from "@bitwarden/common/models/data/collection.data";
 import { Collection } from "@bitwarden/common/models/domain/collection";
-import { SelectionReadOnlyRequest } from "@bitwarden/common/models/request/selection-read-only.request";
+import { Organization } from "@bitwarden/common/models/domain/organization";
 import { CollectionDetailsResponse } from "@bitwarden/common/models/response/collection.response";
 import { CollectionView } from "@bitwarden/common/models/view/collection.view";
 import { DialogService } from "@bitwarden/components";
 
+import {
+  CollectionAccessSelectionView,
+  CollectionAdminService,
+  GroupService,
+  GroupView,
+  OrganizationUserAdminView,
+  UserAdminService,
+} from "../../../core";
+import {
+  AccessItemType,
+  AccessItemValue,
+  AccessItemView,
+  convertToPermission,
+  convertToSelectionView,
+  PermissionMode,
+} from "../../../shared/components/access-selector";
+
 export enum MemberDialogTab {
   Role = 0,
   Groups = 1,
@@ -49,7 +63,7 @@ export enum MemberDialogResult {
   selector: "app-member-dialog",
   templateUrl: "member-dialog.component.html",
 })
-export class MemberDialogComponent implements OnInit {
+export class MemberDialogComponent implements OnInit, OnDestroy {
   loading = true;
   editMode = false;
   isRevoked = false;
@@ -57,15 +71,22 @@ export class MemberDialogComponent implements OnInit {
   emails: string;
   type: OrganizationUserType = OrganizationUserType.User;
   permissions = new PermissionsApi();
-  showCustom = false;
   access: "all" | "selected" = "selected";
   collections: CollectionView[] = [];
   organizationUserType = OrganizationUserType;
   canUseCustomPermissions: boolean;
+  PermissionMode = PermissionMode;
 
+  protected organization: Organization;
+  protected accessItems: AccessItemView[] = [];
   protected tabIndex: MemberDialogTab;
   // Stub, to be filled out in upcoming PRs
-  protected formGroup = this.formBuilder.group({});
+  protected formGroup = this.formBuilder.group({
+    accessAllCollections: false,
+    access: [[] as AccessItemValue[]],
+  });
+
+  private destroy$ = new Subject<void>();
 
   manageAllCollectionsCheckboxes = [
     {
@@ -102,6 +123,10 @@ export class MemberDialogComponent implements OnInit {
     return this.type === OrganizationUserType.Custom;
   }
 
+  get accessAllCollections(): boolean {
+    return this.formGroup.value.accessAllCollections;
+  }
+
   constructor(
     @Inject(DIALOG_DATA) protected params: MemberDialogParams,
     private dialogRef: DialogRef<MemberDialogResult>,
@@ -111,8 +136,12 @@ export class MemberDialogComponent implements OnInit {
     private platformUtilsService: PlatformUtilsService,
     private organizationService: OrganizationService,
     private logService: LogService,
-    private organizationUserService: OrganizationUserService,
-    private formBuilder: FormBuilder
+    private formBuilder: FormBuilder,
+    // TODO: We should really look into consolidating naming conventions for these services
+    private collectionAdminService: CollectionAdminService,
+    private groupService: GroupService,
+    private userService: UserAdminService,
+    private organizationUserService: OrganizationUserService
   ) {}
 
   async ngOnInit() {
@@ -154,7 +183,70 @@ export class MemberDialogComponent implements OnInit {
       this.title = this.i18nService.t("inviteMember");
     }
 
-    this.loading = false;
+    // ----------- New data fetching below ---------------
+
+    const organization$ = of(this.organizationService.get(this.params.organizationId)).pipe(
+      shareReplay({ refCount: true, bufferSize: 1 })
+    );
+    const groups$ = organization$.pipe(
+      switchMap((organization) => {
+        if (!organization.useGroups) {
+          return of([] as GroupView[]);
+        }
+
+        return this.groupService.getAll(this.params.organizationId);
+      })
+    );
+    const userGroups$ = this.params.organizationUserId
+      ? of(
+          await this.organizationUserService.getOrganizationUserGroups(
+            this.params.organizationId,
+            this.params.organizationUserId
+          )
+        )
+      : of([]);
+
+    combineLatest({
+      organization: organization$,
+      collections: this.collectionAdminService.getAll(this.params.organizationId),
+      userDetails: this.params.organizationUserId
+        ? this.userService.get(this.params.organizationId, this.params.organizationUserId)
+        : of(null),
+      groups: groups$,
+      userGroups: userGroups$,
+    })
+      .pipe(takeUntil(this.destroy$))
+      .subscribe(({ organization, collections, userDetails, groups, userGroups }) => {
+        this.organization = organization;
+        const collectionsFromGroups = groups
+          .filter((group) => userGroups.includes(group.id))
+          .flatMap((group) =>
+            group.collections.map((accessSelection) => {
+              const collection = collections.find((c) => c.id === accessSelection.id);
+              return { group, collection, accessSelection };
+            })
+          );
+        this.accessItems = [].concat(
+          collectionsFromGroups.map(({ collection, accessSelection, group }) =>
+            mapCollectionToAccessItemView(collection, accessSelection, group)
+          ),
+          collections.map((c) => mapCollectionToAccessItemView(c))
+        );
+
+        if (this.params.organizationUserId) {
+          if (!userDetails) {
+            throw new Error("Could not find user to edit.");
+          }
+
+          const accessSelections = mapToAccessSelections(userDetails);
+          this.formGroup.patchValue({
+            accessAllCollections: userDetails.accessAll,
+            access: accessSelections,
+          });
+        }
+
+        this.loading = false;
+      });
   }
 
   async loadCollections() {
@@ -195,6 +287,10 @@ export class MemberDialogComponent implements OnInit {
   }
 
   submit = async () => {
+    if (this.formGroup.invalid) {
+      return;
+    }
+
     if (!this.canUseCustomPermissions && this.type === OrganizationUserType.Custom) {
       this.platformUtilsService.showToast(
         "error",
@@ -203,18 +299,27 @@ export class MemberDialogComponent implements OnInit {
       );
       return;
     }
-    let collections: SelectionReadOnlyRequest[] = null;
-    if (this.access !== "all") {
-      collections = this.collections
-        .filter((c) => (c as any).checked)
-        .map((c) => new SelectionReadOnlyRequest(c.id, !!c.readOnly, !!c.hidePasswords));
-    }
 
     try {
+      const userView = new OrganizationUserAdminView();
+      userView.id = this.params.organizationUserId;
+      userView.organizationId = this.params.organizationId;
+      userView.accessAll = this.accessAllCollections;
+      userView.type = this.type;
+      userView.permissions = this.setRequestPermissions(
+        userView.permissions ?? new PermissionsApi(),
+        userView.type !== OrganizationUserType.Custom
+      );
+      userView.collections = this.formGroup.controls.access.value
+        .filter((v) => v.type === AccessItemType.Collection)
+        .map(convertToSelectionView);
+
       if (this.editMode) {
-        await this.updateUser(collections);
+        await this.userService.save(userView);
       } else {
-        await this.inviteUser(collections);
+        userView.id = this.params.organizationUserId;
+        const emails = [...new Set(this.emails.trim().split(/\s*,\s*/))];
+        await this.userService.invite(emails, userView);
       }
 
       this.platformUtilsService.showToast(
@@ -325,6 +430,11 @@ export class MemberDialogComponent implements OnInit {
     }
   };
 
+  ngOnDestroy() {
+    this.destroy$.next();
+    this.destroy$.complete();
+  }
+
   protected async cancel() {
     this.close(MemberDialogResult.Canceled);
   }
@@ -332,38 +442,35 @@ export class MemberDialogComponent implements OnInit {
   private close(result: MemberDialogResult) {
     this.dialogRef.close(result);
   }
+}
 
-  async updateUser(collections: SelectionReadOnlyRequest[]) {
-    const request = new OrganizationUserUpdateRequest();
-    request.accessAll = this.access === "all";
-    request.type = this.type;
-    request.collections = collections;
-    request.permissions = this.setRequestPermissions(
-      request.permissions ?? new PermissionsApi(),
-      request.type !== OrganizationUserType.Custom
-    );
-    await this.organizationUserService.putOrganizationUser(
-      this.params.organizationId,
-      this.params.organizationUserId,
-      request
-    );
-  }
+function mapCollectionToAccessItemView(
+  collection: CollectionView,
+  accessSelection?: CollectionAccessSelectionView,
+  group?: GroupView
+): AccessItemView {
+  return {
+    type: AccessItemType.Collection,
+    id: group ? `${collection.id}-${group.id}` : collection.id,
+    labelName: collection.name,
+    listName: collection.name,
+    readonly: accessSelection !== undefined,
+    readonlyPermission: accessSelection ? convertToPermission(accessSelection) : undefined,
+    viaGroupName: group?.name,
+  };
+}
 
-  async inviteUser(collections: SelectionReadOnlyRequest[]) {
-    const request = new OrganizationUserInviteRequest();
-    request.emails = [...new Set(this.emails.trim().split(/\s*,\s*/))];
-    request.accessAll = this.access === "all";
-    request.type = this.type;
-    request.permissions = this.setRequestPermissions(
-      request.permissions ?? new PermissionsApi(),
-      request.type !== OrganizationUserType.Custom
-    );
-    request.collections = collections;
-    await this.organizationUserService.postOrganizationUserInvite(
-      this.params.organizationId,
-      request
-    );
+function mapToAccessSelections(user: OrganizationUserAdminView): AccessItemValue[] {
+  if (user == undefined) {
+    return [];
   }
+  return [].concat(
+    user.collections.map<AccessItemValue>((selection) => ({
+      id: selection.id,
+      type: AccessItemType.Collection,
+      permission: convertToPermission(selection),
+    }))
+  );
 }
 
 /**
diff --git a/apps/web/src/app/organizations/members/components/member-dialog/member-dialog.module.ts b/apps/web/src/app/organizations/members/components/member-dialog/member-dialog.module.ts
index ffaaf268ea0..b02df9a986a 100644
--- a/apps/web/src/app/organizations/members/components/member-dialog/member-dialog.module.ts
+++ b/apps/web/src/app/organizations/members/components/member-dialog/member-dialog.module.ts
@@ -1,13 +1,13 @@
 import { NgModule } from "@angular/core";
 
-import { SharedModule } from "../../../../shared/shared.module";
+import { SharedOrganizationModule } from "../../../shared";
 
 import { MemberDialogComponent } from "./member-dialog.component";
 import { NestedCheckboxComponent } from "./nested-checkbox.component";
 
 @NgModule({
   declarations: [MemberDialogComponent, NestedCheckboxComponent],
-  imports: [SharedModule],
+  imports: [SharedOrganizationModule],
   exports: [MemberDialogComponent],
 })
 export class UserDialogModule {}