diff --git a/app/assets/stylesheets/components/profile.css b/app/assets/stylesheets/components/profile.css
index 2d7af31..7082a8d 100644
--- a/app/assets/stylesheets/components/profile.css
+++ b/app/assets/stylesheets/components/profile.css
@@ -218,6 +218,29 @@
   text-decoration: underline;
 }
 
+.activity-sender {
+  display: inline-flex;
+  align-items: center;
+  gap: var(--spacing-2);
+  color: var(--color-text-primary);
+  text-decoration: none;
+}
+
+.activity-sender:hover .activity-sender-name {
+  text-decoration: underline;
+}
+
+.activity-sender-avatar {
+  width: 32px;
+  height: 32px;
+  border-radius: 50%;
+  flex-shrink: 0;
+}
+
+.activity-sender-name {
+  font-weight: var(--font-weight-medium);
+}
+
 .activity-filters {
   padding: var(--spacing-4);
   background: var(--color-bg-card);
diff --git a/app/controllers/concerns/profile_activity.rb b/app/controllers/concerns/profile_activity.rb
index e475605..2794605 100644
--- a/app/controllers/concerns/profile_activity.rb
+++ b/app/controllers/concerns/profile_activity.rb
@@ -44,7 +44,7 @@ def build_activity_entries(scope: nil, filters: nil)
     return [] if ids.blank?
 
     scope ||= Message.where(sender_person_id: ids)
-    messages = scope.includes(:topic, :attachments)
+    messages = scope.includes(:topic, :attachments, :sender, sender_person: :default_alias)
                     .order(created_at: :desc)
 
     return [] if messages.empty?
diff --git a/app/views/shared/profile/_recent_threads.html.slim b/app/views/shared/profile/_recent_threads.html.slim
index bf945b5..09361c5 100644
--- a/app/views/shared/profile/_recent_threads.html.slim
+++ b/app/views/shared/profile/_recent_threads.html.slim
@@ -13,6 +13,7 @@
     h2 Recent messages (last 30 days)
 
   - if activity_entries.any?
+    - show_sender = local_assigns.fetch(:show_sender, false)
     - summary = local_assigns[:activity_summary] || {}
     - total = summary[:total] || activity_entries.size
     - started = summary[:started_thread] || 0
@@ -45,11 +46,14 @@
       thead
         tr
           th Activity
+          - if show_sender
+            th Sender
           th Thread
           th Sent
       tbody
         - activity_entries.each do |entry|
           - topic = entry[:topic]
+          - message = entry[:message]
           - types = entry[:activity_types] || []
           tr
             td.activity-types
@@ -65,8 +69,21 @@
                   span.activity-tag.tag-patch First patch
                 - when :sent_followup_patch
                   span.activity-tag.tag-patch Follow-up patch
+            - if show_sender
+              - sender_alias = message.sender_display_alias
+              td
+                - if sender_alias && message.sender_person
+                  = link_to person_path(sender_alias.email), class: "activity-sender", data: { turbo_frame: "_top" } do
+                    = image_tag sender_alias.gravatar_url(size: 32), class: "activity-sender-avatar", alt: sender_alias.name
+                    span.activity-sender-name = sender_alias.name
+                - elsif sender_alias
+                  .activity-sender
+                    = image_tag sender_alias.gravatar_url(size: 32), class: "activity-sender-avatar", alt: sender_alias.name
+                    span.activity-sender-name = sender_alias.name
+                - else
+                  span.activity-sender-name Unknown
             td
-              = link_to topic.title, topic_path(topic, anchor: "message-#{entry[:message].id}"), class: "activity-topic", data: { turbo_frame: "_top" }
+              = link_to topic.title, topic_path(topic, anchor: "message-#{message.id}"), class: "activity-topic", data: { turbo_frame: "_top" }
             td
               = time_ago_in_words(entry[:sent_at])
               |  ago
diff --git a/app/views/teams_profile/_recent_threads.html.slim b/app/views/teams_profile/_recent_threads.html.slim
index 9eab29c..edb1b85 100644
--- a/app/views/teams_profile/_recent_threads.html.slim
+++ b/app/views/teams_profile/_recent_threads.html.slim
@@ -1 +1 @@
-= render "shared/profile/recent_threads", activity_entries: @activity_entries, activity_period: @activity_period, activity_summary: @activity_summary
+= render "shared/profile/recent_threads", activity_entries: @activity_entries, activity_period: @activity_period, activity_summary: @activity_summary, show_sender: true
diff --git a/spec/requests/teams_profile_spec.rb b/spec/requests/teams_profile_spec.rb
index e3ce56c..7364b33 100644
--- a/spec/requests/teams_profile_spec.rb
+++ b/spec/requests/teams_profile_spec.rb
@@ -87,5 +87,24 @@ def attach_verified_alias(user, email:, primary: true)
       get team_profile_path("non-existent")
       expect(response).to have_http_status(:not_found)
     end
+
+    it "shows the sender column and links team activity rows to the sender profile" do
+      team.update!(visibility: :visible)
+
+      member_alias = attach_verified_alias(member, email: "member@example.com")
+      create(:team_member, team: team, user: non_member, role: "member")
+      sender_alias = attach_verified_alias(non_member, email: "sender@example.com")
+
+      topic = create(:topic, creator_alias: member_alias, title: "Sender activity thread")
+      create(:message, topic: topic, sender: sender_alias, sender_person_id: non_member.person.id, created_at: 2.days.ago, updated_at: 2.days.ago)
+
+      get team_profile_path("test-team")
+
+      expect(response).to have_http_status(:success)
+      expect(response.body).to include("<th>Sender</th>")
+      expect(response.body).to include("sender@example.com")
+      expect(response.body).to include(person_path("sender@example.com"))
+      expect(response.body).to include("Sender activity thread")
+    end
   end
 end