Hi pg, thanks for the answer. The problem is that the time frame from 7th April to 23 rd April is quite little for outside US residence. The ones that need a visa to get to the US could not make it on time not because of them but because of the process to get the visa for US.
thanks
I exchanged emails with Kirsty Nathoo, YCombinator's CFO, and she said that YC is willing to write a formal invitation on official YC letterhead. In my previous experience, that is usually enough to get a work visa in that amount of time, especially if you also have a round-trip ticket already booked (make sure the ticket is refundable.)
