diff --git a/app/models/issue.rb b/app/models/issue.rb
index 0b8a2b2..4c01c48 100644
--- a/app/models/issue.rb
+++ b/app/models/issue.rb
@@ -244,6 +244,7 @@ class Issue < ActiveRecord::Base
     @spent_hours = nil
     @total_spent_hours = nil
     @total_estimated_hours = nil
+    @last_updated_by = nil
     base_reload(*args)
   end
 
@@ -1027,6 +1028,10 @@ class Issue < ActiveRecord::Base
     @relations ||= IssueRelation::Relations.new(self, (relations_from + relations_to).sort)
   end
 
+  def last_updated_by
+    @last_updated_by
+  end
+
   # Preloads relations for a collection of issues
   def self.load_relations(issues)
     if issues.any?
@@ -1081,6 +1086,24 @@ class Issue < ActiveRecord::Base
     end
   end
 
+  # Preloads users who updated last a collection of issues
+  def self.load_last_updated_by(issues)
+    if issues.any?
+      journals_user = {}
+      issues_last_journal = Journal.joins(:issue).preload(:user).
+        where('issues.updated_on = journals.created_on').
+        where(:journalized_id => issues.map(&:id))
+
+      issues_last_journal.each do |journal|
+        journals_user[journal.journalized_id] = journal.user
+      end
+
+      issues.each do |issue|
+        issue.instance_variable_set "@last_updated_by", (journals_user[issue.id] || nil)
+      end
+    end
+  end
+
   # Finds an issue relation given its id.
   def find_relation(relation_id)
     IssueRelation.where("issue_to_id = ? OR issue_from_id = ?", id, id).find(relation_id)
@@ -1400,7 +1423,7 @@ class Issue < ActiveRecord::Base
     end
     Project.where(condition).having_trackers
   end
- 
+
   # Returns a scope of trackers that user can assign the issue to
   def allowed_target_trackers(user=User.current)
     self.class.allowed_target_trackers(project, user, tracker_id_was)
diff --git a/app/models/issue_query.rb b/app/models/issue_query.rb
index f718e3e..ac7893b 100644
--- a/app/models/issue_query.rb
+++ b/app/models/issue_query.rb
@@ -31,6 +31,7 @@ class IssueQuery < Query
     QueryColumn.new(:author, :sortable => lambda {User.fields_for_order_statement("authors")}, :groupable => true),
     QueryColumn.new(:assigned_to, :sortable => lambda {User.fields_for_order_statement}, :groupable => true),
     QueryColumn.new(:updated_on, :sortable => "#{Issue.table_name}.updated_on", :default_order => 'desc'),
+    QueryColumn.new(:last_updated_by, :sortable => false),
     QueryColumn.new(:category, :sortable => "#{IssueCategory.table_name}.name", :groupable => true),
     QueryColumn.new(:fixed_version, :sortable => lambda {Version.fields_for_order_statement}, :groupable => true),
     QueryColumn.new(:start_date, :sortable => "#{Issue.table_name}.start_date"),
@@ -44,7 +45,7 @@ class IssueQuery < Query
     QueryColumn.new(:created_on, :sortable => "#{Issue.table_name}.created_on", :default_order => 'desc'),
     QueryColumn.new(:closed_on, :sortable => "#{Issue.table_name}.closed_on", :default_order => 'desc'),
     QueryColumn.new(:relations, :caption => :label_related_issues),
-    QueryColumn.new(:description, :inline => false)
+    QueryColumn.new(:description, :inline => false),
   ]
 
   def initialize(attributes=nil, *args)
@@ -328,6 +329,9 @@ class IssueQuery < Query
     if has_column?(:total_spent_hours)
       Issue.load_visible_total_spent_hours(issues)
     end
+    if has_column?(:last_updated_by)
+      Issue.load_last_updated_by(issues)
+    end
     if has_column?(:relations)
       Issue.load_visible_relations(issues)
     end