[gkoberger]

There's one way and one way only: former coworkers. That's the only good option. Someone you've worked with. And not just someone you liked... someone you admire.

That being said, all high-impact jobs at a startup are technical at first and then slowly shifts to nontechnical. So early on, your non-technical cofounder will be bored and not have much to do. And as time goes on, assuming they are still around, that will shift.

Consider instead going with two technical founders, and assume one or both of you will end up shifting into a more operational role.