You can be from anywhere but your company has to be incorporated in United States, Canada, Singapore or the Cayman Islands. If you already have a GmbH and want

You can be from anywhere but your company has to be incorporated in United States, Canada, Singapore or the Cayman Islands. If you already have a GmbH and want to join YC you have to incorporate a parent company in one of those jurisdictions and make your existing company a subsidiary of that new parent company. YC will then invest and take a stake in the parent company rather than your 'real' company https://www.ycombinator.com/faq/ https://www.ycombinator.com/faq/