If you need an invitation leter for Visa application, please contact the registration chair, Prof. Ioannis Savidis (isavidis at coe.drexel.edu), with the following information:
We suggest starting Visa application early, considering the waiting time to get your Visa.
HOST 2018 will be held at The Ritz-Carlton Hotel, Tysons Corner, McLean, VA, USA. Please refer to the following link for travel information.
http://www.ritzcarlton.com/en/hotels/washington-dc/tysons-corner/hotel-overview/directions