By connecting with people, talking to them, building momentum, and investing enough time to explore goodness of fit. Don't be in haste to onboard one as you would encounter too many "Yes-Sir" and "Me-Too" kind of guys. But, in a long run it's pragmatic thinking and synchronization of vision that matters. Otherwise, either you or your partner will end up sitting back home,trying to establish everything around cocooned comfort of home than in right market.
Use professional social platforms like Clarity etc to scout for right people. Otherwise, advises are always free!!