INFORMS Membership Renewal Site is Temporarily Closed The INFORMS membership renewal site is temporarily unavailable while we upgrade to new software in an effort to serve you better.  The site will re-open in the fall.  An e-mail will be sent to announce our grand re-opening. If you would like to update your contact information, click here to visit our new membership site. f you have not renewed your INFORMS membership for 2008, your membership has expired.  Please choose one of the four easy ways to renew. Phone: 800-446-3676 443-757-3500   Fax: 443-757-3515 Mail: INFORMS 7240 Parkway Drive, Suite 310 Hanover, MD 21076-1310 USA E-mail: informs@informs.org   Want to join INFORMS?  Click here to download Membership Application (PDF) and fax or mail to addresses listed above. When forwarding your payment and membership information, please be sure to verify your shipping address and contact information, including phone number and e-mail address.  We value your membership and look forward to welcoming you!