From Marrakech Airport:
Marrakech-Menara International Airport (RAK) is at a 10 minutes drive from the conference venue. Taxis and Shuttles are available at 10 USD.
From Marrakech Train Station:
The train station is at a 15 minutes drive from the conference venue. Taxis are available in front of the train station.
From Casablanca International Airport:
Mohamed V International Airport (CMN) in Casablanca is directly connected to the national railroad network. Trains are available from 8:00 to 18:00 (each 2 hours), and there is one at 4:00. (Train ticket: starting 14 USD)
More info on the train schedule in on the ONCF website:
http://www.oncf.ma/PrixEtReservation/Pages/BilletsNormaux.aspx