You don't need to migrate to the US. But I believe you do need to be there with your co-founders for 3 months. And if you can't manage that then running a VC

You don't need to migrate to the US. But I believe you do need to be there with your co-founders for 3 months. And if you can't manage that then running a VC backed startup isn't what you should do. Because you will need to visit customers and it's often not feasible to just fly to/from constantly.