×

Once registered, you can:

  • - Read additional free articles each month
  • - Comment on articles and featured creative work
  • - Get our curated newsletters delivered to your inbox

By registering you agree to our privacy policy, terms & conditions and to receive occasional emails from Ad Age. You may unsubscribe at any time.

Are you a print subscriber? Activate your account.

John Montgomery

John Montgomery is the global executive VP-brand safety at GroupM.

John Montgomery
How Marketers Can Help Keep Good Ads Off Bad Sites

How Marketers Can Help Keep Good Ads Off Bad Sites

09.22.16 @ 7:00 AM EDT