The maintainer in Warsaw, the researcher in Bangalore, the quant in London — reaching them doesn't require a transfer program or a lottery ticket.
The O-1 runs on the candidate's public record, wherever it was built. No prior U.S. employment, no year on a foreign affiliate's payroll (that's the L-1's requirement, not this route's), no U.S. degree. The evidence travels; the petition is filed stateside by an authorized agent.
Consular scheduling adds real calendar time that varies by post — build it into the start date rather than being surprised. Relocation is your ordinary relocation question, unchanged by the visa route.