This is from their website:
The American Institute for Cancer Research welcomes comments and questions from the public. In order to better serve you, we offer here contact information for specific departments within AICR. You may contact any of the departments shown below by email simply by clicking on the link shown.
AICR Main Contact Information:
Mail: American Institute for Cancer Research
1759 R Street NW
Washington, DC 20009
Telephone: 1-800-843-8114 202-328-7744
You may also use the mail address, phone and fax numbers shown above to reach the following departments within AICR, or click on the link shown to contact them via email.