Look through the FAQs and contact us if you have any questions.

Frequently Asked Questions

Are member discounts available for supporting organizations?

*Member rate available for members and employees of IFAI, GMA, IGS-NA or any supporting organization. Click here for a full list of supporting organizations.

Can international visitors attend GeoNashville?


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Start planning now for your visit to Charleston and have your visa well in advance of your travel. These steps will help you plan ahead:

  1. Review your visa status; find out if you need a U.S. visa or a renewal. The photograph format required for the nonimmigrant visa has changed. This format is similar to that required for U.S. passport processing.
  2. Review the visa wait times for interview appointments and visa processing information at each embassy and consular section worldwide.
  3. Visit the embassy or consular section website where you will apply for your visa to find out how to schedule an interview appointment, pay fees and any other instructions. An interview at the embassy or consulate is required for most visa applicants. Expect a quick fingerprint scan as part of the visa interview. You will be informed if additional screening is required.

Visa Letter of Invitation

Visitors may require a letter of invitation from Geosynthetics Conference organizers to support your visa application. Registration and payment in full is required prior to visa letter request processing.

Once you have registered and paid in full for the upcoming event, please submit a visa letter of invitation request using the form below.

You will be required to fill out your information as it appears on your passport. You will need to submit one request per person.

You will receive a confirmation via email when your submission is received, and once your request is processed and approved, we will send a PDF of the letter to you via email. If you require a hard copy of the letter, please provide a Federal Express account number to cover the cost of shipping. We are not able to contact individual embassies in support of any individual trying to obtain a visa.

IFAI will by no means act as a sponsor for individuals visiting the United States and IFAI is not responsible for the actions of individuals who request visa invitation letters.

NEW State Department Regulations: U.S. embassies and consulates now require face-to-face visa interviews for most nonimmigrant visa applicants. Because of these new regulations, visa application approval may be delayed. You are encouraged to apply for a visa at least two months before the Geosynthetics Conference event you would like to attend. IFAI is unable to contact U.S. embassies in support of an individual attempting to gain entry to attend an IFAI meeting.

For questions regarding an invitation letter, contact: Barbara Connett;

Technical Program
Barbara Connett


Visa letter of invitation

Exhibiting Opportunities
Amy Collins

IFAI membership

IFAI marketing & PR
Christian Weiland

General questions and to be placed on our mailing list, email:

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