Congress dates

June 23 to 26, 2022



Fachada Hilton Chicago
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Habitación Hilton Chicago

720 S Michigan Ave, Chicago, IL 60605, United States

Overlooking Grant Park and Lake Michigan, this hotel is within 5 minutes’ walk of Millennium Park. It features on-site dining, an indoor pool and a 37-inch flat-screen TV with HBO in every room.
An MP3 alarm clock and mini-refrigerator are included in every elegant room at Hilton Chicago. Room service is available, and free bathroom amenities are standard.
A heated indoor pool and hot tub along with a seasonal sundeck are offered at Chicago Hilton. Guests can work out in the modern fitness center at an extra cost, or make use of the on-site business center.
720 South Bar & Grill serves local cuisine and craft beers for breakfast, lunch, and dinner. Kitty O’Sheas Irish pub provides live entertainment. Herb N' Kitchen offers light fare, meals to go, and coffee.
The Shedd Aquarium and Field Museum are 1.6 km away. Soldier Field, home of the Bears, can be reached in 5 minutes’ drive.
Chicago Loop is a great choice for travelers interested in parks, architecture and museums. This is our guests' favorite part of Chicago, according to independent reviews.

Important dates

End of Early Bird Registration January 15th, 2022
End of Regular Registration February 28th, 2022

Registration fees

Until January 15th, 2022 From January 16th to February 28th, 2022 From March 1st, 2022
IAOO Members 815 USD 930 USD 1045 USD
Non Members 930 USD 1045 USD 1160 USD
Residents & Students * 350 USD 410 USD 525 USD
Company Representative 350 USD 410 USD 525 USD

The registration fees are in USD and include VAT.

* Students: Copy of student ID required | Residents: Copy of official letter stating training status by employer required. Please, send them by email to