Very hard. You need a US work permit to work in the Valley. Most early stage companies are not gonna have a Canadian subsidiary. I do run a consulting compan

Very hard. You need a US work permit to work in the Valley. Most early stage companies are not gonna have a Canadian subsidiary. I do run a consulting company that consults to US companies. That is possible. But at that point, if you consult with startups, you won't be getting options.