International attendee information

Traveler tips

Visa application guidelines and procedures 
Information about United States visa requirements and procedures can be found on the website of the U.S. Department of State.

Chicago, Illinois has an average high of 85°F (28°C) and average low of 68°F (20°C). Get the Chicago, Illinois 10-day weather forecast.

It is customary to tip bartenders, waiters, and cab drivers between 15 to 20 percent. Hotel staff also expect to receive tips. Bellhops can be tipped $1 per bag, while doormen and valet car servicemen should receive $1 to $2. You may provide a tip for maid service (housekeeping) at your hotel by leaving $1 to $3 either on the bed or the table next to the bed.

Business casual is appropriate for the meeting.  Some meeting rooms might feel cold, so a sweater or light jacket might be helpful. Comfortable shoes are recommended as there are long walking distances within the convention center and/or hotel.

In case of emergency, dial 911 from any phone.

Exchange rate
Help plan your trip by checking the current exchange rate of your currency in U.S. dollars

Time zone
The United States has four time zones: Eastern, Central, Mountain, and Pacific. Chicago, Illinois is located in the Central Time Zone.

The United States uses 110-120 volts AC (60 cycles).

U.S. country code: +1
Chicago, Illinois area code: (773) 
U.S. telephone numbers have seven digits, plus area code listed above (e.g., 555-1234)

  •  To make a local Chicago, Illinois call, dial the seven-digit number.
  • To call within the USA, but outside the 773/Chicago area code, dial 1 + area code + seven-digit number.
  • To call internationally from Chicago, dial "011" + country code + area code + number.

Most hotels offer complimentary high-speed internet connections in the lobby of their hotel. There is variation in cost (free to per diem charge) with regard to high-speed internet that is offered in sleeping rooms. Your hotel will display the rate.


When booking your hotel, don’t forget about some important changes to the meeting schedule. See important date changes below.

Exhibit Hall
The exhibit hall will now be open Friday, July 28 and Saturday, July 29 from 10 a.m. – 5 p.m.

AAD official housing
The official list of AAD hotels can be found under the housing section. Hotel reservations must be made in conjunction with registration for the meeting.

AAD official international group housing
For detailed information and qualifications, go to: International Group Housing

*The AAD is not responsible for any housing arrangements made outside the AAD official housing block


O'Hare International Airport (ORD)
10000 W O'Hare Ave, Chicago, IL 60666
(17 miles to Hyatt Regency Chicago)

Chicago Midway International Airport (MDW)
5700 S Cicero Ave, Chicago, IL 60638
(13 miles to Hyatt Regency Chicago)


(All rates subject to change depending on traffic)

  • Taxi fare from O'Hare International Airport to the Hyatt Regency Chicago is approximately $55.00 USD.

At the meeting

Meeting location
Hyatt Regency Chicago
151 E Upper Wacker Dr
Chicago, IL 60601

The official language of the Annual Meeting is English.

Videotaping/photography in educational sessions 
Use of cameras, camera phones, video cameras is prohibited in all educational sessions. Violations of this policy will result in removal from the session and confiscation of equipment. Directors and room monitors will be closely monitoring adherence to this policy.