SAN JOSE, Calif. (AP) — The Canadian government has launched an aggressive campaign to lure Silicon Valley tech workers frustrated by U.S. visa policies northward, just as Congress wrestles with a long-sought overhaul of America’s immigration system.

Canada’s minister of citizenship, immigration and multiculturalism, Jason Kenney, arrived in the San Francisco Bay area Friday for a four-day visit aimed at snapping up talent for his country’s high-tech economy by offering startup entrepreneurs a new visa.