Privacy Policy

SIGMA adheres to the following policies regarding its collection, use, and dissemination of personal and non-personal information through its SIGMA Exchange website, which is located at (the “Site”).

Collection and of Personal Information and Non-Personal Information

You must log-in to participate.  Access to the Site therefore requires you to provide your e-mail address and password.  Your log-in information is linked to the SIGMA membership database, which includes your first and last names, company name, telephone number, address, email address, and membership number (“Personal Information”).  


When you view the Site, SIGMA may store some information on your computer. This information will be in the form of a “Cookie” or similar file and can help us in many ways. For example, Cookies allow us to tailor a web site to better match your interests and preferences. With most Internet Browsers, you can erase Cookies from your computer hard drive, block all Cookies, or receive a warning before a Cookie is stored.  Please refer to your Browser instructions or help screen to learn more about these functions.

Use of Personal Information

We may use your Personal Information to contact you to advertise and promote SIGMA products, services and events and to respond to correspondence from you.

We may share the information we collect with our service providers, such as our agents and outside consultants, who assist us in our work, help manage the Site and any associated databases, and facilitate our communications with you.  These companies are obligated by contract with us not to otherwise disclose your personal information. 

We may also share your personal information with unaffiliated third parties to respond to subpoenas, court orders or other legal process, or if we reasonably believe that you have violated our Terms of Use.  We do not now and do not intend to sell, rent, or market personal data about you to third parties for other purposes without your consent.

In the event that SIGMA or any of its assets, such as the Site, is acquired by a third party, personal information acquired by SIGMA may be one of the assets transferred.

Semi-Public Forum

Through this Site SIGMA offers discussion forums and/or message boards for its members.  Any submission to, or posting on, these discussion forums or message boards is necessarily available to all other persons with access to the discussion forums or message boards.  Accordingly, please exercise caution when deciding to disclose your Personal Information in such forums and boards.

External Links to Other Web Sites

The Site may contain links to third-party web sites. SIGMA cannot be responsible for and makes no representations or warranties about the privacy practices of third parties.


If you believe that SIGMA has information about you that is incorrect or incomplete, please let us know via the email or address listed below and we will correct or update it promptly. You may also ask us to remove your name and other personal information from our database, in which case we will make all reasonable efforts to do so.


If you have any questions about this policy, please contact Jackie Wallenstein:

Amy Rider
3930 Pender Drive
Suite 340
Fairfax, VA 22030
Phone: 703-375-0485

Changes to this Privacy Policy

SIGMA may update this Privacy Policy to reflect changes in our practices and services.  When we post changes to this Privacy Policy, we will revise the “last updated” date at the top of this Privacy Policy.  We recommend that you check our websites from time to time to inform yourself of any changes in this Privacy Policy or any of our other policies.