In the exact same manner you'd raise capital for any business: a very well put together, thoughtfully researched plan coupled with the beginnings of a team that

In the exact same manner you'd raise capital for any business: a very well put together, thoughtfully researched plan coupled with the beginnings of a team that clearly have the skills and knowledge required to execute that plan. From there, it's a sales process... build a list of 1000 or so investors you think might give you a meeting, start door knocking, try to sell them your plan.