diff --git a/ghost/admin/app/components/modal-impersonate-member.js b/ghost/admin/app/components/modal-impersonate-member.js
new file mode 100644
index 0000000000..b52823c587
--- /dev/null
+++ b/ghost/admin/app/components/modal-impersonate-member.js
@@ -0,0 +1,33 @@
+import ModalComponent from 'ghost-admin/components/modal-base';
+import copyTextToClipboard from 'ghost-admin/utils/copy-text-to-clipboard';
+import {alias} from '@ember/object/computed';
+import {inject as service} from '@ember/service';
+import {task, timeout} from 'ember-concurrency';
+
+export default ModalComponent.extend({
+    config: service(),
+    store: service(),
+
+    classNames: 'modal-impersonate-member',
+
+    signinUrl: null,
+    member: alias('model'),
+
+    didInsertElement() {
+        this._super(...arguments);
+
+        this._signinUrlUpdateTask.perform();
+    },
+
+    copySigninUrl: task(function* () {
+        copyTextToClipboard(this.get('signinUrl'));
+        yield timeout(1000);
+        return true;
+    }),
+
+    _signinUrlUpdateTask: task(function*() {
+        const memberSigninURL = yield this.member.fetchSigninUrl.perform();
+
+        this.set('signinUrl', memberSigninURL.url);
+    }).drop()
+});
diff --git a/ghost/admin/app/controllers/member.js b/ghost/admin/app/controllers/member.js
index 066e1ee319..146a101678 100644
--- a/ghost/admin/app/controllers/member.js
+++ b/ghost/admin/app/controllers/member.js
@@ -12,10 +12,14 @@ const SCRATCH_PROPS = ['name', 'email', 'note'];
 
 export default Controller.extend({
     members: controller(),
+    session: service(),
+    dropdown: service(),
     notifications: service(),
     router: service(),
     store: service(),
 
+    showImpersonateMemberModal: false,
+
     member: alias('model'),
 
     scratchMember: computed('member', function () {
@@ -39,6 +43,10 @@ export default Controller.extend({
             this.toggleProperty('showDeleteMemberModal');
         },
 
+        toggleImpersonateMemberModal() {
+            this.toggleProperty('showImpersonateMemberModal');
+        },
+
         save() {
             return this.save.perform();
         },
@@ -106,13 +114,12 @@ export default Controller.extend({
     fetchMember: task(function* (memberId) {
         this.set('isLoading', true);
 
-        yield this.store.findRecord('member', memberId, {
+        let member = yield this.store.findRecord('member', memberId, {
             reload: true
-        }).then((member) => {
-            this.set('member', member);
-            this.set('isLoading', false);
-            return member;
         });
+
+        this.set('member', member);
+        this.set('isLoading', false);
     }),
 
     _saveMemberProperty(propKey, newValue) {
diff --git a/ghost/admin/app/models/member.js b/ghost/admin/app/models/member.js
index 8e209f87e4..59da242910 100644
--- a/ghost/admin/app/models/member.js
+++ b/ghost/admin/app/models/member.js
@@ -1,5 +1,7 @@
 import Model, {attr, hasMany} from '@ember-data/model';
 import ValidationEngine from 'ghost-admin/mixins/validation-engine';
+import {inject as service} from '@ember/service';
+import {task} from 'ember-concurrency';
 
 export default Model.extend(ValidationEngine, {
     validationType: 'member',
@@ -12,6 +14,10 @@ export default Model.extend(ValidationEngine, {
     subscribed: attr('boolean', {defaultValue: true}),
     labels: hasMany('label', {embedded: 'always', async: false}),
     comped: attr('boolean', {defaultValue: false}),
+
+    ghostPaths: service(),
+    ajax: service(),
+
     // remove client-generated labels, which have `id: null`.
     // Ember Data won't recognize/update them automatically
     // when returned from the server with ids.
@@ -22,5 +28,13 @@ export default Model.extend(ValidationEngine, {
 
         labels.removeObjects(oldLabels);
         oldLabels.invoke('deleteRecord');
-    }
+    },
+
+    fetchSigninUrl: task(function* () {
+        let url = this.get('ghostPaths.url').api('members', this.get('id'), 'signin_urls');
+
+        let response = yield this.ajax.request(url);
+
+        return response.member_signin_urls[0];
+    }).drop()
 });
diff --git a/ghost/admin/app/styles/layouts/members.css b/ghost/admin/app/styles/layouts/members.css
index 57f44ffcad..26df007e73 100644
--- a/ghost/admin/app/styles/layouts/members.css
+++ b/ghost/admin/app/styles/layouts/members.css
@@ -96,6 +96,10 @@ p.gh-members-list-email {
     pointer-events: none;
 }
 
+.member-link-copied svg {
+    margin-right: 4px;
+}
+
 .members-header .gh-members-header-search {
     margin-right: 12px;
     border-right: 1px solid var(--lightgrey-d2);
diff --git a/ghost/admin/app/styles/patterns/buttons.css b/ghost/admin/app/styles/patterns/buttons.css
index 69e23cf3b9..070bccc216 100644
--- a/ghost/admin/app/styles/patterns/buttons.css
+++ b/ghost/admin/app/styles/patterns/buttons.css
@@ -279,6 +279,11 @@ fieldset[disabled] .gh-btn {
     background: var(--white);
 }
 
+.gh-btn-white.gh-btn-green:hover,
+.gh-btn-white.gh-btn-blue:hover {
+    border: none;
+}
+
 .gh-btn-white span {
     height: 35px;
     line-height: 35px;
diff --git a/ghost/admin/app/styles/patterns/forms.css b/ghost/admin/app/styles/patterns/forms.css
index f53b7bcc43..49f7edfc89 100644
--- a/ghost/admin/app/styles/patterns/forms.css
+++ b/ghost/admin/app/styles/patterns/forms.css
@@ -656,6 +656,18 @@ textarea {
     background: var(--input-bg-color);
 }
 
+.gh-input-group .gh-btn {
+    border-top-left-radius: 0;
+    border-bottom-left-radius: 0;
+}
+
+.gh-input-group .gh-btn span {
+    height: 36px;
+    line-height: 36px;
+    border-top-left-radius: 0;
+    border-bottom-left-radius: 0;
+}
+
 
 /* FFF: Fucking Firefox Fixes
 /* ---------------------------------------------------------- */
diff --git a/ghost/admin/app/styles/spirit/_animations.css b/ghost/admin/app/styles/spirit/_animations.css
index 1454c5887c..67e761a4a9 100644
--- a/ghost/admin/app/styles/spirit/_animations.css
+++ b/ghost/admin/app/styles/spirit/_animations.css
@@ -284,3 +284,34 @@ Pop: Appear from bottom, disappear to bottom
     width: 6px;
     background: var(--darkgrey-l2);
 }
+
+/* Animated icons */
+.animated-icon path {
+    stroke-dashoffset: 300;
+    stroke-dasharray: 300;
+    animation: icon-dash 3s ease-out forwards;
+}
+
+@keyframes icon-dash {
+    0% {
+        stroke-dashoffset: 300;
+    }
+    100% {
+        stroke-dashoffset: 0;
+    }
+}
+
+/* Fade in */
+.fade-in {
+    opacity: 0;
+    animation: fade-in 3s ease-out forwards;
+}
+
+@keyframes fade-in {
+    0% {
+        opacity: 0;
+    }
+    100% {
+        opacity: 1.0;
+    }
+}
\ No newline at end of file
diff --git a/ghost/admin/app/templates/components/modal-impersonate-member.hbs b/ghost/admin/app/templates/components/modal-impersonate-member.hbs
new file mode 100644
index 0000000000..4bc127df6a
--- /dev/null
+++ b/ghost/admin/app/templates/components/modal-impersonate-member.hbs
@@ -0,0 +1,40 @@
+<header class="modal-header flex justify-center">
+    <h1 style="margin: 0;">Impersonate</h1>
+</header>
+{{!-- disable mouseDown so it doesn't trigger focus-out validations --}}
+<a class="close" href title="Close" {{action "closeModal"}} {{action (optional this.noop) on="mouseDown"}}>
+    {{svg-jar "close"}}<span class="hidden">Close</span>
+</a>
+
+<div class="modal-body">
+    <div class="flex items-center justify-center mt4 mb4">
+        <GhMemberAvatar
+            @member={{this.member}}
+            @sizeClass={{if this.member.name 'f-headline fw4 lh-zero tracked-1' 'f-headline fw4 lh-zero tracked-1'}}
+            @containerClass="w25 h25 gh-member-detail-avatar" />
+    </div>
+
+    <p class="tc pl4 pr4">
+        This is an authentication link to sign into <strong>{{this.config.blogTitle}}</strong> as <strong>{{this.member.email}}</strong>, you can send it to them if they need it, or use it to sign into their account for customer support.
+    </p>
+
+    <fieldset>
+        <div class="gh-input-group">
+            <GhTextInput
+                @id="member-signin-url"
+                @name="member-signin-url"
+                @disabled={{true}}
+                @value={{readonly signinUrl}}
+            />
+            <GhTaskButton
+                @buttonText="Copy link"
+                @task={{this.copySigninUrl}}
+                @successText="Link copied"
+                @class="gh-btn gh-btn-blue gh-btn-icon" />
+        </div>
+    </fieldset>
+</div>
+
+<div>
+    <p class="tc pt4 mb2">This link is only valid for the next <strong>10 minutes</strong></p>
+</div>
diff --git a/ghost/admin/app/templates/member.hbs b/ghost/admin/app/templates/member.hbs
index fcbaabb414..3e1fe5036b 100644
--- a/ghost/admin/app/templates/member.hbs
+++ b/ghost/admin/app/templates/member.hbs
@@ -1,26 +1,37 @@
 <section class="gh-canvas">
-    <form class="mb10 member-basic-info-form">
-        <GhCanvasHeader class="gh-canvas-header">
-            <h2 class="gh-canvas-title" data-test-screen-title>
-                <LinkTo @route="members" data-test-link="members-back">Members</LinkTo>
-                <span>{{svg-jar "arrow-right"}}</span>
-                {{#if this.member.isNew}}
-                    New member
-                {{else}}
-                    {{or this.member.name this.member.email}}
-                {{/if}}
-            </h2>
-            <section class="view-actions">
-                <GhTaskButton @class="gh-btn gh-btn-blue gh-btn-icon" @type="button" @task={{this.save}} @data-test-button="save" />
-            </section>
-        </GhCanvasHeader>
+    <GhCanvasHeader class="gh-canvas-header">
+        <h2 class="gh-canvas-title" data-test-screen-title>
+            <LinkTo @route="members" data-test-link="members-back">Members</LinkTo>
+            <span>{{svg-jar "arrow-right"}}</span>
+            {{#if this.member.isNew}}
+                New member
+            {{else}}
+                {{or this.member.name this.member.email}}
+            {{/if}}
+        </h2>
 
+        <section class="view-actions">
+            {{#if this.session.user.isOwner}}
+                {{#unless this.member.isNew}}
+                    <button
+                        class="gh-btn gh-btn-white gh-btn-icon mr2"
+                        {{on "click" (action "toggleImpersonateMemberModal")}}>
+                        <span>Impersonate</span>
+                    </button>
+                {{/unless}}
+            {{/if}}
+
+            <GhTaskButton @class="gh-btn gh-btn-blue gh-btn-icon" @type="button" @task={{this.save}} @data-test-button="save" />
+        </section>
+    </GhCanvasHeader>
+
+    <form class="mb10 member-basic-info-form">
         <div class="flex items-center mb10 bt b--lightgrey-d1 pt8">
             {{#if (or this.member.name this.member.email)}}
                 <GhMemberAvatar
                     @member={{this.member}}
                     @sizeClass={{if this.member.name 'f-subheadline fw4 lh-zero tracked-1' 'f-headline fw4 lh-zero tracked-1'}}
-                    @containerClass="w18 h18 mr4 gh-member-detail-avatar"
+                    @containerClass="w20 h20 mr4 gh-member-detail-avatar"
                 />
             {{else}}
                 <div class="flex items-center justify-center br-100 w18 h18 mr4 gh-new-member-avatar">
@@ -78,3 +89,11 @@
         @close={{action "toggleDeleteMemberModal"}}
         @modifier="action wide" />
 {{/if}}
+
+{{#if this.showImpersonateMemberModal}}
+    <GhFullscreenModal
+        @modal="impersonate-member"
+        @model={{this.member}}
+        @close={{action "toggleImpersonateMemberModal"}}
+        @modifier="action wide" />
+{{/if}}
diff --git a/ghost/admin/tests/acceptance/members-test.js b/ghost/admin/tests/acceptance/members-test.js
index ad5c9317e3..c92d545e01 100644
--- a/ghost/admin/tests/acceptance/members-test.js
+++ b/ghost/admin/tests/acceptance/members-test.js
@@ -134,7 +134,7 @@ describe('Acceptance: Members', function () {
             // it navigates to the new member route
             expect(currentURL(), 'new member URL').to.equal('/members/new');
             // it displays the new member form
-            expect(find('.member-basic-info-form .gh-canvas-header h2').textContent, 'settings pane title')
+            expect(find('.gh-canvas-header h2').textContent, 'settings pane title')
                 .to.contain('New member');
 
             // // all fields start blank