diff --git a/apis/api-journeys-modern/src/schema/googleSheetsSync/googleSheetsSyncCreate.mutation.spec.ts b/apis/api-journeys-modern/src/schema/googleSheetsSync/googleSheetsSyncCreate.mutation.spec.ts
index 3e39f058cac..5873157d916 100644
--- a/apis/api-journeys-modern/src/schema/googleSheetsSync/googleSheetsSyncCreate.mutation.spec.ts
+++ b/apis/api-journeys-modern/src/schema/googleSheetsSync/googleSheetsSyncCreate.mutation.spec.ts
@@ -48,14 +48,9 @@ describe('googleSheetsSyncCreate', () => {
       userId: mockUser.id,
       roles: []
     } as any)
-    // Default auth: user is integration owner for provided integrationId
-    prismaMock.integration.findUnique.mockResolvedValue({
-      id: 'integration-id',
-      userId: 'userId'
-    } as any)
   })
 
-  it('should create Google Sheets sync', async () => {
+  it('should create Google Sheets sync when user is integration owner', async () => {
     const mockJourney = {
       id: 'journey-id',
       teamId: 'team-id',
@@ -245,14 +240,73 @@ describe('googleSheetsSyncCreate', () => {
     })
   })
 
-  it('should throw error when user is not the integration owner', async () => {
+  it('should create sync when user is team manager but not integration owner', async () => {
     const mockJourney = {
       id: 'journey-id',
       teamId: 'team-id',
       team: {
         id: 'team-id',
         integrations: [],
-        userTeams: []
+        userTeams: [{ userId: 'userId', role: 'manager' }]
+      }
+    }
+
+    const mockIntegration = {
+      id: 'integration-id',
+      userId: 'other-user-id',
+      teamId: 'team-id',
+      type: 'google' as const,
+      accountEmail: 'other@example.com'
+    }
+
+    const mockSync = {
+      id: 'sync-id',
+      journeyId: 'journey-id',
+      teamId: 'team-id',
+      integrationId: 'integration-id',
+      spreadsheetId: 'spreadsheet-id',
+      sheetName: 'Sheet1',
+      folderId: null,
+      email: 'other@example.com',
+      deletedAt: null
+    }
+
+    prismaMock.journey.findUnique.mockResolvedValue(mockJourney as any)
+    prismaMock.integration.findFirst.mockResolvedValue(mockIntegration as any)
+    prismaMock.googleSheetsSync.create.mockResolvedValue(mockSync as any)
+
+    const result = await authClient({
+      document: GOOGLE_SHEETS_SYNC_CREATE_MUTATION,
+      variables: {
+        input: {
+          journeyId: 'journey-id',
+          integrationId: 'integration-id',
+          spreadsheetId: 'spreadsheet-id',
+          sheetName: 'Sheet1'
+        }
+      }
+    })
+
+    expect(result).toEqual({
+      data: {
+        googleSheetsSyncCreate: expect.objectContaining({
+          id: 'sync-id',
+          journeyId: 'journey-id',
+          spreadsheetId: 'spreadsheet-id',
+          sheetName: 'Sheet1'
+        })
+      }
+    })
+  })
+
+  it('should throw Forbidden when user is neither integration owner nor team manager', async () => {
+    const mockJourney = {
+      id: 'journey-id',
+      teamId: 'team-id',
+      team: {
+        id: 'team-id',
+        integrations: [],
+        userTeams: [{ userId: 'other-user-id', role: 'manager' }]
       }
     }
 
@@ -265,11 +319,50 @@ describe('googleSheetsSyncCreate', () => {
 
     prismaMock.journey.findUnique.mockResolvedValue(mockJourney as any)
     prismaMock.integration.findFirst.mockResolvedValue(mockIntegration as any)
-    // Auth guard denies ownership
-    prismaMock.integration.findUnique.mockResolvedValue({
+
+    const result = await authClient({
+      document: GOOGLE_SHEETS_SYNC_CREATE_MUTATION,
+      variables: {
+        input: {
+          journeyId: 'journey-id',
+          integrationId: 'integration-id',
+          spreadsheetId: 'spreadsheet-id',
+          sheetName: 'Sheet1'
+        }
+      }
+    })
+
+    expect(result).toEqual({
+      data: null,
+      errors: [
+        expect.objectContaining({
+          message: 'Forbidden'
+        })
+      ]
+    })
+    expect(prismaMock.googleSheetsSync.create).not.toHaveBeenCalled()
+  })
+
+  it('should throw Forbidden when user is a team member but not manager or owner', async () => {
+    const mockJourney = {
+      id: 'journey-id',
+      teamId: 'team-id',
+      team: {
+        id: 'team-id',
+        integrations: [],
+        userTeams: [{ userId: 'userId', role: 'member' }]
+      }
+    }
+
+    const mockIntegration = {
       id: 'integration-id',
-      userId: 'other-user-id'
-    } as any)
+      userId: 'other-user-id',
+      teamId: 'team-id',
+      type: 'google' as const
+    }
+
+    prismaMock.journey.findUnique.mockResolvedValue(mockJourney as any)
+    prismaMock.integration.findFirst.mockResolvedValue(mockIntegration as any)
 
     const result = await authClient({
       document: GOOGLE_SHEETS_SYNC_CREATE_MUTATION,
@@ -287,10 +380,11 @@ describe('googleSheetsSyncCreate', () => {
       data: null,
       errors: [
         expect.objectContaining({
-          message: expect.stringContaining('Not authorized')
+          message: 'Forbidden'
         })
       ]
     })
+    expect(prismaMock.googleSheetsSync.create).not.toHaveBeenCalled()
   })
 
   it('should throw error when user lacks export permission', async () => {
diff --git a/apis/api-journeys-modern/src/schema/googleSheetsSync/googleSheetsSyncCreate.mutation.ts b/apis/api-journeys-modern/src/schema/googleSheetsSync/googleSheetsSyncCreate.mutation.ts
index f4dfa922b42..4bb6d382f40 100644
--- a/apis/api-journeys-modern/src/schema/googleSheetsSync/googleSheetsSyncCreate.mutation.ts
+++ b/apis/api-journeys-modern/src/schema/googleSheetsSync/googleSheetsSyncCreate.mutation.ts
@@ -11,67 +11,73 @@ import { CreateGoogleSheetsSyncInput } from './inputs'
 export const GoogleSheetsSyncCreateMutation = builder.mutationField(
   'googleSheetsSyncCreate',
   (t) =>
-    t
-      .withAuth((_parent, args) => ({
-        $all: {
-          isAuthenticated: true,
-          isIntegrationOwner: (
-            args.input as typeof CreateGoogleSheetsSyncInput.$inferInput
-          ).integrationId
-        }
-      }))
-      .prismaField({
-        type: GoogleSheetsSync,
-        nullable: false,
-        args: {
-          input: t.arg({ type: CreateGoogleSheetsSyncInput, required: true })
-        },
-        resolve: async (query, _parent, { input }, context) => {
-          const journey = await prisma.journey.findUnique({
-            where: { id: input.journeyId },
-            include: {
-              team: { include: { integrations: true, userTeams: true } }
-            }
+    t.withAuth({ isAuthenticated: true }).prismaField({
+      type: GoogleSheetsSync,
+      nullable: false,
+      args: {
+        input: t.arg({ type: CreateGoogleSheetsSyncInput, required: true })
+      },
+      resolve: async (query, _parent, { input }, context) => {
+        const journey = await prisma.journey.findUnique({
+          where: { id: input.journeyId },
+          include: {
+            team: { include: { integrations: true, userTeams: true } }
+          }
+        })
+        if (journey == null)
+          throw new GraphQLError('Journey not found', {
+            extensions: { code: 'NOT_FOUND' }
           })
-          if (journey == null)
-            throw new GraphQLError('Journey not found', {
-              extensions: { code: 'NOT_FOUND' }
-            })
 
-          const googleIntegration = await prisma.integration.findFirst({
-            where: {
-              id: input.integrationId,
-              teamId: journey.teamId,
-              type: 'google'
-            }
+        const googleIntegration = await prisma.integration.findFirst({
+          where: {
+            id: input.integrationId,
+            teamId: journey.teamId,
+            type: 'google'
+          }
+        })
+        if (googleIntegration == null)
+          throw new GraphQLError('Google integration not found for team', {
+            extensions: { code: 'BAD_REQUEST' }
           })
-          if (googleIntegration == null)
-            throw new GraphQLError('Google integration not found for team', {
-              extensions: { code: 'BAD_REQUEST' }
-            })
 
-          // Must also have export ability on the journey
-          if (
-            !ability(Action.Export, subject('Journey', journey), context.user)
-          ) {
-            throw new GraphQLError('Forbidden', {
-              extensions: { code: 'FORBIDDEN' }
-            })
-          }
+        // Check permissions: must be team manager or integration owner
+        const userId = context.user.id
+        const isTeamManager =
+          journey.team?.userTeams?.some(
+            (userTeam) =>
+              userTeam.userId === userId && userTeam.role === 'manager'
+          ) ?? false
+        const isIntegrationOwner = googleIntegration.userId === userId
 
-          return await prisma.googleSheetsSync.create({
-            ...query,
-            data: {
-              teamId: journey.teamId,
-              journeyId: journey.id,
-              integrationId: googleIntegration.id,
-              spreadsheetId: input.spreadsheetId,
-              sheetName: input.sheetName,
-              folderId: input.folderId ?? null,
-              email: googleIntegration.accountEmail ?? null,
-              deletedAt: null
-            }
+        if (!(isIntegrationOwner || isTeamManager)) {
+          throw new GraphQLError('Forbidden', {
+            extensions: { code: 'FORBIDDEN' }
           })
         }
-      })
+
+        // Must also have export ability on the journey
+        if (
+          !ability(Action.Export, subject('Journey', journey), context.user)
+        ) {
+          throw new GraphQLError('Forbidden', {
+            extensions: { code: 'FORBIDDEN' }
+          })
+        }
+
+        return await prisma.googleSheetsSync.create({
+          ...query,
+          data: {
+            teamId: journey.teamId,
+            journeyId: journey.id,
+            integrationId: googleIntegration.id,
+            spreadsheetId: input.spreadsheetId,
+            sheetName: input.sheetName,
+            folderId: input.folderId ?? null,
+            email: googleIntegration.accountEmail ?? null,
+            deletedAt: null
+          }
+        })
+      }
+    })
 )