If you need an invitation letter for visa applications, please fill in this form.
For any additional information, please contact local arrangement chairs.
Additional visa information :
Please refer to this link for the appropriate visa: https://www.eda.admin.ch/countries/usa/en/home/visa/entry-ch/up-90-days/do-i-need-a-schengen-visa.html
List of countries and whether you need a visa: https://www.sem.admin.ch/sem/en/home/publiservice/weisungen-kreisschreiben/visa/liste1_staatsangehoerigkeit.html
Where to apply for a Schengen Visa: https://www.eda.admin.ch/countries/usa/en/home/visa/entry-ch/up-90-days/where-to-apply-schengen.html
Switzerland Online Visa System: https://www.swiss-visa.ch/ivis2/#/i210-select-country
Processing takes 10-15 days according to the Schengen website, but please apply early (>1-2 months to give you the best chance of receiving the visa in time).