Conference sponsors:
It's easy: the city is served by the Cologne-Bonn International Airport and the centrally-located Main Railway Station (Hauptbahnhof). The larger Düsseldorf International and Frankfurt International airports are within an hour's train journey away.
Typical journey times to Cologne
Attendees are responsible for making sure they possess the required travel documents (passport, visa, etc.) and comply with all other entry requirements to Germany.
Some information on who needs visas can be found at http://www.germany-visa.org/do-i-need-a-visa/ .
If you are not sure, please check with your nearest German consulate. A list of Germany's embassies and consulates can be found at https://www.embassy-worldwide.com/country/germany/.
Upon request, we will provide registered delegates with invitations and registration certificates necessary for visa application purposes.