diff --git a/backend/app/services/flowpilot_engine.py b/backend/app/services/flowpilot_engine.py
index 1164d2b2..e97c36b9 100644
--- a/backend/app/services/flowpilot_engine.py
+++ b/backend/app/services/flowpilot_engine.py
@@ -537,7 +537,7 @@ async def escalate_session(
     # Notify about escalation
     await notify("session.escalated", session.account_id, {
         "session_id": str(session_id),
-        "engineer_name": session.user.display_name if session.user else "Unknown",
+        "engineer_name": session.user.name if session.user else "Unknown",
         "escalation_reason": request.escalation_reason,
         "problem_summary": session.problem_summary or "N/A",
         "link": f"/pilot/{session_id}",
@@ -590,8 +590,8 @@ async def pickup_session(
 
     # Build a briefing message for the new engineer
     original_user_name = "the previous engineer"
-    if session.user and hasattr(session.user, 'display_name') and session.user.display_name:
-        original_user_name = session.user.display_name
+    if session.user and session.user.name:
+        original_user_name = session.user.name
 
     briefing_parts = [
         f"## Escalation Briefing",
diff --git a/backend/app/services/psa_documentation_service.py b/backend/app/services/psa_documentation_service.py
index 88b2475d..6a40bbf5 100644
--- a/backend/app/services/psa_documentation_service.py
+++ b/backend/app/services/psa_documentation_service.py
@@ -66,8 +66,8 @@ def format_resolution_note(session: AISession, include_steps: bool = True) -> st
 
     # Engineer name from relationship if loaded, otherwise user_id
     engineer_name = getattr(session, 'user', None)
-    if engineer_name and hasattr(engineer_name, 'display_name'):
-        lines.append(f"Engineer: {engineer_name.display_name}")
+    if engineer_name and hasattr(engineer_name, 'name'):
+        lines.append(f"Engineer: {engineer_name.name}")
 
     lines.extend([
         f"Date: {_format_datetime(session.resolved_at)}",
@@ -162,12 +162,12 @@ def format_escalation_note(session: AISession, include_steps: bool = True) -> st
     ]
 
     engineer_name = getattr(session, 'user', None)
-    if engineer_name and hasattr(engineer_name, 'display_name'):
-        lines.append(f"Escalated by: {engineer_name.display_name}")
+    if engineer_name and hasattr(engineer_name, 'name'):
+        lines.append(f"Escalated by: {engineer_name.name}")
 
     escalated_to = getattr(session, 'escalated_to', None)
-    if escalated_to and hasattr(escalated_to, 'display_name'):
-        lines.append(f"Escalated to: {escalated_to.display_name}")
+    if escalated_to and hasattr(escalated_to, 'name'):
+        lines.append(f"Escalated to: {escalated_to.name}")
     else:
         lines.append("Escalated to: Unassigned")