diff --git a/src/components/views/rooms/MemberInfo.js b/src/components/views/rooms/MemberInfo.js
index e9055226c2..0a98e8821b 100644
--- a/src/components/views/rooms/MemberInfo.js
+++ b/src/components/views/rooms/MemberInfo.js
@@ -39,6 +39,7 @@ import { findReadReceiptFromUserId } from '../../../utils/Receipt';
 import withMatrixClient from '../../../wrappers/withMatrixClient';
 import AccessibleButton from '../elements/AccessibleButton';
 import GeminiScrollbar from 'react-gemini-scrollbar';
+import RoomViewStore from '../../../stores/RoomViewStore';
 
 
 module.exports = withMatrixClient(React.createClass({
@@ -81,6 +82,7 @@ module.exports = withMatrixClient(React.createClass({
         cli.on("Room.receipt", this.onRoomReceipt);
         cli.on("RoomState.events", this.onRoomStateEvents);
         cli.on("RoomMember.name", this.onRoomMemberName);
+        cli.on("RoomMember.membership", this.onRoomMemberMembership);
         cli.on("accountData", this.onAccountData);
 
         this._checkIgnoreState();
@@ -107,6 +109,7 @@ module.exports = withMatrixClient(React.createClass({
             client.removeListener("Room.receipt", this.onRoomReceipt);
             client.removeListener("RoomState.events", this.onRoomStateEvents);
             client.removeListener("RoomMember.name", this.onRoomMemberName);
+            client.removeListener("RoomMember.membership", this.onRoomMemberMembership);
             client.removeListener("accountData", this.onAccountData);
         }
         if (this._cancelDeviceList) {
@@ -186,6 +189,10 @@ module.exports = withMatrixClient(React.createClass({
         this.forceUpdate();
     },
 
+    onRoomMemberMembership: function(ev, member) {
+        if (this.props.member.userId === member.userId) this.forceUpdate();
+    },
+
     onAccountData: function(ev) {
         if (ev.getType() === 'm.direct') {
             this.forceUpdate();
@@ -614,6 +621,7 @@ module.exports = withMatrixClient(React.createClass({
         const member = this.props.member;
 
         let ignoreButton = null;
+        let inviteUserButton = null;
         let readReceiptButton = null;
 
         // Only allow the user to ignore the user if its not ourselves
@@ -644,9 +652,30 @@ module.exports = withMatrixClient(React.createClass({
                     </AccessibleButton>
                 );
             }
+
+            if (!member || !member.membership || member.membership === 'leave') {
+                const roomId = member && member.roomId ? member.roomId : RoomViewStore.getRoomId();
+                const onInviteUserButton = async () => {
+                    try {
+                        await cli.invite(roomId, member.userId);
+                    } catch (err) {
+                        const ErrorDialog = sdk.getComponent('dialogs.ErrorDialog');
+                        Modal.createTrackedDialog('Failed to invite', '', ErrorDialog, {
+                            title: _t('Failed to invite'),
+                            description: ((err && err.message) ? err.message : "Operation failed"),
+                        });
+                    }
+                };
+
+                inviteUserButton = (
+                    <AccessibleButton onClick={onInviteUserButton} className="mx_MemberInfo_field">
+                        { _t('Invite') }
+                    </AccessibleButton>
+                );
+            }
         }
 
-        if (!ignoreButton && !readReceiptButton) return null;
+        if (!ignoreButton && !readReceiptButton && !inviteUserButton) return null;
 
         return (
             <div>
@@ -654,6 +683,7 @@ module.exports = withMatrixClient(React.createClass({
                 <div className="mx_MemberInfo_buttons">
                     { readReceiptButton }
                     { ignoreButton }
+                    { inviteUserButton }
                 </div>
             </div>
         );
@@ -759,9 +789,6 @@ module.exports = withMatrixClient(React.createClass({
             </AccessibleButton>;
         }
 
-        // TODO: we should have an invite button if this MemberInfo is showing a user who isn't actually in the current room yet
-        // e.g. clicking on a linkified userid in a room
-
         let adminTools;
         if (kickButton || banButton || muteButton || giveModButton) {
             adminTools =
@@ -789,9 +816,29 @@ module.exports = withMatrixClient(React.createClass({
             presenceCurrentlyActive = this.props.member.user.currentlyActive;
         }
 
+        let roomMemberDetails = null;
+
+        if (this.props.member.roomId) { // is in room
+            const PowerSelector = sdk.getComponent('elements.PowerSelector');
+            const PresenceLabel = sdk.getComponent('rooms.PresenceLabel');
+            roomMemberDetails = <div>
+                <div className="mx_MemberInfo_profileField">
+                    { _t("Level:") } <b>
+                        <PowerSelector controlled={true}
+                            value={parseInt(this.props.member.powerLevel)}
+                            disabled={!this.state.can.modifyLevel}
+                            onChange={this.onPowerChange} />
+                    </b>
+                </div>
+                <div className="mx_MemberInfo_profileField">
+                    <PresenceLabel activeAgo={presenceLastActiveAgo}
+                        currentlyActive={presenceCurrentlyActive}
+                        presenceState={presenceState} />
+                </div>
+            </div>;
+        }
+
         const MemberAvatar = sdk.getComponent('avatars.MemberAvatar');
-        const PowerSelector = sdk.getComponent('elements.PowerSelector');
-        const PresenceLabel = sdk.getComponent('rooms.PresenceLabel');
         const EmojiText = sdk.getComponent('elements.EmojiText');
         return (
             <div className="mx_MemberInfo">
@@ -807,16 +854,7 @@ module.exports = withMatrixClient(React.createClass({
                         <div className="mx_MemberInfo_profileField">
                             { this.props.member.userId }
                         </div>
-                        <div className="mx_MemberInfo_profileField">
-                            { _t("Level:") } <b>
-                                <PowerSelector controlled={true} value={parseInt(this.props.member.powerLevel)} disabled={!this.state.can.modifyLevel} onChange={this.onPowerChange} />
-                            </b>
-                        </div>
-                        <div className="mx_MemberInfo_profileField">
-                            <PresenceLabel activeAgo={presenceLastActiveAgo}
-                                currentlyActive={presenceCurrentlyActive}
-                                presenceState={presenceState} />
-                        </div>
+                        { roomMemberDetails }
                     </div>
 
                     { this._renderUserOptions() }
diff --git a/src/i18n/strings/en_EN.json b/src/i18n/strings/en_EN.json
index b9bca1ca6c..b1dbfcfa0c 100644
--- a/src/i18n/strings/en_EN.json
+++ b/src/i18n/strings/en_EN.json
@@ -249,6 +249,7 @@
     "Level:": "Level:",
     "and %(count)s others...|other": "and %(count)s others...",
     "and %(count)s others...|one": "and one other...",
+    "Invite": "Invite",
     "Invited": "Invited",
     "Filter room members": "Filter room members",
     "%(userName)s (power %(powerLevelNumber)s)": "%(userName)s (power %(powerLevelNumber)s)",