diff --git a/public/src/client/groups/details.js b/public/src/client/groups/details.js
index 12ca74884a..e8d4ed957f 100644
--- a/public/src/client/groups/details.js
+++ b/public/src/client/groups/details.js
@@ -1,17 +1,35 @@
 "use strict";
+/* globals socket, ajaxify */
 
 define('forum/groups/details', function() {
 	var Details = {};
 
 	Details.init = function() {
-		var	memberListEl = $('.groups.details .members');
-
-		memberListEl.on('click', '[data-slug]', function() {
-			var	slug = this.getAttribute('data-slug');
-			ajaxify.go('user/' + slug);
-		});
+		var memberList = $('.groups .members');
 
 		$('.latest-posts .content img').addClass('img-responsive');
+
+		memberList.on('click', '[data-action]', function() {
+			var btnEl = $(this),
+				userRow = btnEl.parents('tr'),
+				ownerFlagEl = userRow.find('.member-name i'),
+				isOwner = !ownerFlagEl.hasClass('hidden') ? true : false,
+				uid = userRow.attr('data-uid'),
+				action = btnEl.attr('data-action');
+
+			switch(action) {
+				case 'toggleOwnership':
+					socket.emit('groups.' + (isOwner ? 'rescind' : 'grant'), {
+						toUid: uid,
+						groupName: ajaxify.variables.get('group_name')
+					}, function(err) {
+						if (!err) {
+							ownerFlagEl.toggleClass('hidden');
+						}
+					});
+					break;
+			}
+		});
 	};
 
 	return Details;
diff --git a/src/controllers/groups.js b/src/controllers/groups.js
index 72d83d4fc2..2d2ce8f050 100644
--- a/src/controllers/groups.js
+++ b/src/controllers/groups.js
@@ -23,10 +23,12 @@ groupsController.list = function(req, res, next) {
 
 groupsController.details = function(req, res, next) {
 	var uid = req.user ? parseInt(req.user.uid, 10) : 0;
+
 	async.parallel({
 		group: function(next) {
 			groups.get(req.params.name, {
-				expand: true
+				expand: true,
+				uid: uid
 			}, next);
 		},
 		posts: function(next) {
diff --git a/src/groups.js b/src/groups.js
index 2dcb708f66..60019a47b9 100644
--- a/src/groups.js
+++ b/src/groups.js
@@ -71,25 +71,7 @@ var async = require('async'),
 			groupNames = groupNames.concat(ephemeralGroups);
 
 			async.map(groupNames, function (groupName, next) {
-				async.waterfall([
-					async.apply(Groups.get, groupName, options),
-					function(groupObj, next) {
-						// Retrieve group membership state, if uid is passed in
-						if (!options.uid) {
-							return next(null, groupObj);
-						}
-
-						Groups.isMember(options.uid, groupName, function(err, isMember) {
-							if (err) {
-								winston.warn('[groups.list] Could not determine membership in group `' + groupName + '` for uid `' + options.uid + '`: ' + err.message);
-								return next(null, groupObj);
-							}
-
-							groupObj.isMember = isMember;
-							next(null, groupObj);
-						});
-					}
-				], next);
+				Groups.get(groupName, options, next);
 			}, function (err, groups) {
 				callback(err, internals.filterGroups(groups, options));
 			});
@@ -126,6 +108,9 @@ var async = require('async'),
 						async.waterfall([
 							async.apply(async.map, uids, user.getUserData),
 							function(users, next) {
+								// Filter out non-matches
+								users = users.filter(Boolean);
+
 								async.mapLimit(users, 10, function(userObj, next) {
 									Groups.ownership.isOwner(userObj.uid, groupName, function(err, isOwner) {
 										if (err) {
@@ -143,6 +128,36 @@ var async = require('async'),
 						next(err, uids);
 					}
 				});
+			},
+			isMember: function(next) {
+				// Retrieve group membership state, if uid is passed in
+				if (!options.uid) {
+					return next();
+				}
+
+				Groups.isMember(options.uid, groupName, function(err, isMember) {
+					if (err) {
+						winston.warn('[groups.get] Could not determine membership in group `' + groupName + '` for uid `' + options.uid + '`: ' + err.message);
+						return next();
+					}
+
+					next(null, isMember);
+				});
+			},
+			isOwner: function(next) {
+				// Retrieve group ownership state, if uid is passed in
+				if (!options.uid) {
+					return next();
+				}
+
+				Groups.ownership.isOwner(options.uid, groupName, function(err, isOwner) {
+					if (err) {
+						winston.warn('[groups.get] Could not determine ownership in group `' + groupName + '` for uid `' + options.uid + '`: ' + err.message);
+						return next();
+					}
+
+					next(null, isOwner);
+				});
 			}
 		}, function (err, results) {
 			if (err || !results.base) {
@@ -157,6 +172,8 @@ var async = require('async'),
 			results.base.system = !!parseInt(results.base.system, 10);
 			results.base.deletable = !results.base.system;
 			results.base.truncated = truncated;
+			results.base.isMember = results.isMember;
+			results.base.isOwner = results.isOwner;
 
 			callback(err, results.base);
 		});
diff --git a/src/socket.io/groups.js b/src/socket.io/groups.js
index 9fd29bc2d4..943b9dc10c 100644
--- a/src/socket.io/groups.js
+++ b/src/socket.io/groups.js
@@ -20,4 +20,32 @@ SocketGroups.leave = function(socket, data, callback) {
 	groups.leave(data.groupName, socket.uid, callback);
 };
 
+SocketGroups.grant = function(socket, data, callback) {
+	if (!data) {
+		return callback(new Error('[[error:invalid-data]]'));
+	}
+
+	groups.ownership.isOwner(socket.uid, data.groupName, function(err, isOwner) {
+		if (!isOwner) {
+			return callback(new Error('[[error:no-privileges]]'));
+		}
+
+		groups.ownership.grant(data.toUid, data.groupName, callback);
+	});
+};
+
+SocketGroups.rescind = function(socket, data, callback) {
+	if (!data) {
+		return callback(new Error('[[error:invalid-data]]'));
+	}
+
+	groups.ownership.isOwner(socket.uid, data.groupName, function(err, isOwner) {
+		if (!isOwner) {
+			return callback(new Error('[[error:no-privileges]]'));
+		}
+
+		groups.ownership.rescind(data.toUid, data.groupName, callback);
+	});
+};
+
 module.exports = SocketGroups;