Help is Here When You Need It

We're happy to provide assistance! We also welcome your comments at any time. A GfK staff member will respond to your query as quickly as possible.

To get support by email, send messages to:

To speak with a Case Manager, call: 1-800-782-6899
between 9AM and 9PM on weekdays, and noon to 5PM on weekends, anywhere in the Continental United States.

To receive a response by mail, write to us at:

Panel Relations
P.O. Box 479
Roseland, NJ 07068

To fax your question send it to: 1-973-206-6289

To log in to Members' Web site:

  1. Make sure you have available your email address and the password we
    provided you, and go to the following address:
  2. At the prompt, enter your email address and password, and then select the tab of the section you wish to visit. Email feedback on this newsletter to