diff --git a/config/settings.yml b/config/settings.yml
index d2e212fb7..86e6a35a4 100644
--- a/config/settings.yml
+++ b/config/settings.yml
@@ -358,3 +358,10 @@ discourse_ai:
   ai_rag_images_enabled:
     default: false
     hidden: true
+
+  ai_summary_persona_id:
+    default: ""
+    hidden: true
+  ai_summary_consolidator_persona_id:
+    default: ""
+    hidden: true
diff --git a/lib/summarization/strategies/topic_summary.rb b/lib/summarization/strategies/topic_summary.rb
index 4dfca68c5..08b7cdaf0 100644
--- a/lib/summarization/strategies/topic_summary.rb
+++ b/lib/summarization/strategies/topic_summary.rb
@@ -32,27 +32,41 @@ def targets_data
           end
         end
 
+        def summary_prompt(topic_id:, persona_id:, default_prompt:)
+          prompt_text = default_prompt
+          if persona_id
+            persona = AiPersona.find_by(id: persona_id)
+            prompt_text = persona.system_prompt if persona
+          end
+          DiscourseAi::Completions::Prompt.new(prompt_text, topic_id: topic_id)
+        end
+
         def summary_extension_prompt(summary, contents)
           resource_path = "#{Discourse.base_path}/t/-/#{target.id}"
           content_title = target.title
           input =
             contents.map { |item| "(#{item[:id]} #{item[:poster]} said: #{item[:text]})" }.join
 
-          prompt = DiscourseAi::Completions::Prompt.new(<<~TEXT, topic_id: target.id)
-            You are an advanced summarization bot tasked with enhancing an existing summary by incorporating additional posts.
-
-            ### Guidelines:
-            - Only include the enhanced summary, without any additional commentary.
-            - Understand and generate Discourse forum Markdown; including links, _italics_, **bold**.
-            - Maintain the original language of the text being summarized.
-            - Aim for summaries to be 400 words or less.
-            - Each new post is formatted as "<POST_NUMBER>) <USERNAME> <MESSAGE>"
-            - Cite specific noteworthy posts using the format [DESCRIPTION](#{resource_path}/POST_NUMBER)
-              - Example: links to the 3rd and 6th posts by sam: sam ([#3](#{resource_path}/3), [#6](#{resource_path}/6))
-              - Example: link to the 6th post by jane: [agreed with](#{resource_path}/6)
-              - Example: link to the 13th post by joe: [joe](#{resource_path}/13)
-            - When formatting usernames either use @USERNAME or [USERNAME](#{resource_path}/POST_NUMBER)
-          TEXT
+          prompt =
+            summary_prompt(
+              topic_id: target.id,
+              persona_id: SiteSetting.ai_summary_consolidator_persona_id,
+              default_prompt: <<~TEXT,
+                You are an advanced summarization bot tasked with enhancing an existing summary by incorporating additional posts.
+
+                ### Guidelines:
+                - Only include the enhanced summary, without any additional commentary.
+                - Understand and generate Discourse forum Markdown; including links, _italics_, **bold**.
+                - Maintain the original language of the text being summarized.
+                - Aim for summaries to be 400 words or less.
+                - Each new post is formatted as "<POST_NUMBER>) <USERNAME> <MESSAGE>"
+                - Cite specific noteworthy posts using the format [DESCRIPTION](#{resource_path}/POST_NUMBER)
+                  - Example: links to the 3rd and 6th posts by sam: sam ([#3](#{resource_path}/3), [#6](#{resource_path}/6))
+                  - Example: link to the 6th post by jane: [agreed with](#{resource_path}/6)
+                  - Example: link to the 13th post by joe: [joe](#{resource_path}/13)
+                - When formatting usernames either use @USERNAME or [USERNAME](#{resource_path}/POST_NUMBER)
+              TEXT
+            )
 
           prompt.push(type: :user, content: <<~TEXT.strip)
             ### Context:
@@ -81,20 +95,25 @@ def first_summary_prompt(contents)
           input =
             contents.map { |item| "(#{item[:id]} #{item[:poster]} said: #{item[:text]} " }.join
 
-          prompt = DiscourseAi::Completions::Prompt.new(<<~TEXT.strip, topic_id: target.id)
-            You are an advanced summarization bot that generates concise, coherent summaries of provided text.
-
-            - Only include the summary, without any additional commentary.
-            - You understand and generate Discourse forum Markdown; including links, _italics_, **bold**.
-            - Maintain the original language of the text being summarized.
-            - Aim for summaries to be 400 words or less.
-            - Each post is formatted as "<POST_NUMBER>) <USERNAME> <MESSAGE>"
-            - Cite specific noteworthy posts using the format [DESCRIPTION](#{resource_path}/POST_NUMBER)
-              - Example: links to the 3rd and 6th posts by sam: sam ([#3](#{resource_path}/3), [#6](#{resource_path}/6))
-              - Example: link to the 6th post by jane: [agreed with](#{resource_path}/6)
-              - Example: link to the 13th post by joe: [joe](#{resource_path}/13)
-            - When formatting usernames either use @USERNMAE OR [USERNAME](#{resource_path}/POST_NUMBER)
-          TEXT
+          prompt =
+            summary_prompt(
+              topic_id: target.id,
+              persona_id: SiteSetting.ai_summary_persona_id,
+              default_prompt: <<~TEXT,
+                You are an advanced summarization bot that generates concise, coherent summaries of provided text.
+
+                - Only include the summary, without any additional commentary.
+                - You understand and generate Discourse forum Markdown; including links, _italics_, **bold**.
+                - Maintain the original language of the text being summarized.
+                - Aim for summaries to be 400 words or less.
+                - Each post is formatted as "<POST_NUMBER>) <USERNAME> <MESSAGE>"
+                - Cite specific noteworthy posts using the format [DESCRIPTION](#{resource_path}/POST_NUMBER)
+                  - Example: links to the 3rd and 6th posts by sam: sam ([#3](#{resource_path}/3), [#6](#{resource_path}/6))
+                  - Example: link to the 6th post by jane: [agreed with](#{resource_path}/6)
+                  - Example: link to the 13th post by joe: [joe](#{resource_path}/13)
+                - When formatting usernames either use @USERNMAE OR [USERNAME](#{resource_path}/POST_NUMBER)
+              TEXT
+            )
 
           prompt.push(
             type: :user,
diff --git a/spec/lib/modules/summarization/strategies/topic_summary_spec.rb b/spec/lib/modules/summarization/strategies/topic_summary_spec.rb
index 93f2c4c2c..cc41cab82 100644
--- a/spec/lib/modules/summarization/strategies/topic_summary_spec.rb
+++ b/spec/lib/modules/summarization/strategies/topic_summary_spec.rb
@@ -6,6 +6,7 @@
   fab!(:topic) { Fabricate(:topic, highest_post_number: 25) }
   fab!(:post_1) { Fabricate(:post, topic: topic, post_number: 1) }
   fab!(:post_2) { Fabricate(:post, topic: topic, post_number: 2) }
+  fab!(:admin)
 
   describe "#targets_data" do
     shared_examples "includes only public-visible topics" do
@@ -62,4 +63,49 @@
       end
     end
   end
+
+  describe "Summary prompt" do
+    let!(:ai_persona) do
+      AiPersona.create!(
+        name: "TestPersona",
+        system_prompt: "test prompt",
+        description: "test",
+        allowed_group_ids: [Group::AUTO_GROUPS[:trust_level_0]],
+      )
+    end
+
+    let!(:persona_class) do
+      DiscourseAi::AiBot::Personas::Persona.find_by(user: admin, name: "TestPersona")
+    end
+
+    context "when ai_summary_consolidator_persona_id siteSetting is set" do
+      it "returns a summary extension prompt with the correct text" do
+        SiteSetting.ai_summary_consolidator_persona_id = persona_class.id
+
+        expect(
+          topic_summary
+            .summary_extension_prompt(nil, [{ id: 1, poster: "test", text: "hello" }])
+            .messages
+            .first[
+            :content
+          ],
+        ).to include("test prompt")
+      end
+    end
+
+    context "when ai_summary_persona_id siteSetting is set" do
+      it "returns a first summary prompt with the correct text" do
+        SiteSetting.ai_summary_persona_id = persona_class.id
+
+        expect(
+          topic_summary
+            .first_summary_prompt([{ id: 1, poster: "test", text: "hello" }])
+            .messages
+            .first[
+            :content
+          ],
+        ).to include("test prompt")
+      end
+    end
+  end
 end