diff --git a/apps/desktop/src/main/managers/service-manager.ts b/apps/desktop/src/main/managers/service-manager.ts
index fd4b16a..5a7fd2f 100644
--- a/apps/desktop/src/main/managers/service-manager.ts
+++ b/apps/desktop/src/main/managers/service-manager.ts
@@ -64,8 +64,8 @@ export class ServiceManager {
       this.initializeSettingsService();
       this.initializeAuthService();
       await this.initializeTelemetryService();
-      await this.initializeOnboardingService();
       await this.initializeModelServices();
+      await this.initializeOnboardingService();
       this.initializePlatformServices();
       await this.initializeVADService();
       await this.initializeAIServices();
@@ -99,9 +99,9 @@ export class ServiceManager {
   }
 
   private async initializeOnboardingService(): Promise<void> {
-    if (!this.settingsService || !this.telemetryService) {
+    if (!this.settingsService || !this.telemetryService || !this.modelService) {
       logger.main.warn(
-        "Settings or telemetry service not available for onboarding",
+        "Settings, telemetry, or model service not available for onboarding",
       );
       return;
     }
@@ -109,6 +109,7 @@ export class ServiceManager {
     this.onboardingService = OnboardingService.getInstance(
       this.settingsService,
       this.telemetryService,
+      this.modelService,
     );
     logger.main.info("Onboarding service initialized");
   }
diff --git a/apps/desktop/src/services/auth-service.ts b/apps/desktop/src/services/auth-service.ts
index dd4456f..b996cd4 100644
--- a/apps/desktop/src/services/auth-service.ts
+++ b/apps/desktop/src/services/auth-service.ts
@@ -4,6 +4,7 @@ import { logger } from "../main/logger";
 import { EventEmitter } from "events";
 import { getSettingsSection, updateSettingsSection } from "../db/app-settings";
 import { getUserAgent } from "../utils/http-client";
+import { ServiceManager } from "../main/managers/service-manager";
 
 interface AuthConfig {
   clientId: string;
@@ -201,6 +202,17 @@ export class AuthService extends EventEmitter {
       // Save to database
       await updateSettingsSection("auth", authState);
 
+      // Identify user in telemetry
+      if (authState.userInfo?.sub) {
+        const telemetryService =
+          ServiceManager.getInstance().getService("telemetryService");
+        telemetryService.identifyUser(
+          authState.userInfo.sub,
+          authState.userInfo.email,
+          authState.userInfo.name,
+        );
+      }
+
       // Clear pending auth
       this.pendingAuth = null;
 
diff --git a/apps/desktop/src/services/onboarding-service.ts b/apps/desktop/src/services/onboarding-service.ts
index 0ac6fc3..3986fe6 100644
--- a/apps/desktop/src/services/onboarding-service.ts
+++ b/apps/desktop/src/services/onboarding-service.ts
@@ -3,6 +3,7 @@ import { systemPreferences } from "electron";
 import { logger } from "../main/logger";
 import type { SettingsService } from "./settings-service";
 import type { TelemetryService } from "./telemetry-service";
+import type { ModelService } from "./model-service";
 import type { AppSettingsData } from "../db/schema";
 import {
   OnboardingScreen,
@@ -40,26 +41,31 @@ export class OnboardingService extends EventEmitter {
   private static instance: OnboardingService | null = null;
   private settingsService: SettingsService;
   private telemetryService: TelemetryService;
+  private modelService: ModelService;
   private currentState: Partial<OnboardingState> = {};
   private isOnboardingInProgress = false;
 
   constructor(
     settingsService: SettingsService,
     telemetryService: TelemetryService,
+    modelService: ModelService,
   ) {
     super();
     this.settingsService = settingsService;
     this.telemetryService = telemetryService;
+    this.modelService = modelService;
   }
 
   static getInstance(
     settingsService: SettingsService,
     telemetryService: TelemetryService,
+    modelService: ModelService,
   ): OnboardingService {
     if (!OnboardingService.instance) {
       OnboardingService.instance = new OnboardingService(
         settingsService,
         telemetryService,
+        modelService,
       );
     }
     return OnboardingService.instance;
@@ -211,7 +217,7 @@ export class OnboardingService extends EventEmitter {
         });
       }
 
-      // Track model selection
+      // Track model selection and set the actual model
       if (preferences.selectedModelType !== undefined) {
         updates.selectedModelType = preferences.selectedModelType;
         this.telemetryService.trackOnboardingModelSelected({
@@ -219,6 +225,26 @@ export class OnboardingService extends EventEmitter {
           recommendation_followed:
             preferences.modelRecommendation?.followed ?? false,
         });
+
+        // Set the actual model in ModelService
+        if (preferences.selectedModelType === "cloud") {
+          await this.modelService.setSelectedModel("amical-cloud");
+          logger.main.info("Set default speech model to amical-cloud");
+        } else if (preferences.selectedModelType === "local") {
+          // Keep existing selection if any, otherwise use first downloaded model
+          const currentModel = await this.modelService.getSelectedModel();
+          if (!currentModel) {
+            const downloadedModels =
+              await this.modelService.getDownloadedModels();
+            const downloadedIds = Object.keys(downloadedModels);
+            if (downloadedIds.length > 0) {
+              await this.modelService.setSelectedModel(downloadedIds[0]);
+              logger.main.info(
+                `Set default speech model to ${downloadedIds[0]}`,
+              );
+            }
+          }
+        }
       }
 
       if (preferences.modelRecommendation !== undefined) {
diff --git a/apps/desktop/src/services/telemetry-service.ts b/apps/desktop/src/services/telemetry-service.ts
index e549905..405ca3f 100644
--- a/apps/desktop/src/services/telemetry-service.ts
+++ b/apps/desktop/src/services/telemetry-service.ts
@@ -126,13 +126,6 @@ export class TelemetryService {
       },
     };
 
-    // Identify the machine with system properties
-    this.posthog.identify({
-      distinctId: this.machineId,
-      properties: {
-        ...this.persistedProperties,
-      },
-    });
     this.enabled = true;
     this.initialized = true;
     logger.main.info("Telemetry service initialized successfully");
@@ -261,6 +254,34 @@ export class TelemetryService {
     }
   }
 
+  // ============================================================================
+  // User Identification
+  // ============================================================================
+
+  /**
+   * Identify user in telemetry after login.
+   * Also creates an alias to link machine ID with user ID.
+   */
+  identifyUser(userId: string, email?: string, name?: string): void {
+    if (!this.posthog || !this.enabled) return;
+
+    // Identify with user ID
+    this.posthog.identify({
+      distinctId: userId,
+      properties: {
+        ...this.persistedProperties,
+        email,
+        name,
+      },
+    });
+
+    // Alias machine ID to user ID so previous anonymous events are linked
+    this.posthog.alias({
+      distinctId: userId,
+      alias: this.machineId,
+    });
+  }
+
   // ============================================================================
   // Onboarding Events
   // ============================================================================