Welcome to CROI 2020 Registration and Housing

The CROI 2020 Registration and Hotel Reservations website is now closed. If you have recently been approved to attend the meeting and wish to complete registration, please contact our Customer Service Department at: 1-833-229-0649 (within the United States) or 001-571-549-4511 (International) or Email: CROIregistration@spargoinc.com

If you require a hotel room, please contact CROIhousing@spargoinc.com for assistance. If you have a hotel reservation that you need to make a change to, please contact your hotel directly beginning Tuesday, February 24.

Thank you, we look forward to seeing you soon!

For questions about the registration or hotel reservation systems, please contact the registration and housing partner SPARGO, Inc.:

Stay Connected to IAS–USA

For general questions about the Conference, please contact IAS–USA via:

Email: CROIinfo@iasusa.org
Phone: 415-544-9400 M-F 8:30 am - 5:30 pm (Pacific Time)
FAQ: CROIconference.org/frequently-asked-questions#registration

Contact SPARGO, Inc. by Phone/Fax/Email

Phone: 833-229-0649 (International) or 703-449-6418 (within the United States)
Fax: 703-574-8332
Email: CROIregistration@spargoinc.com,
CROIHousing@spargoinc.com
Customer service hours: M-F 8:30 am - 5:00 pm (Eastern Time)

By Mail

CROI Registration and Housing Center
11208 Waples Mill Rd
Suite 112
Fairfax, VA 22030