my honest suggestion would be not to just interview and hire a CTO, CTO for a successful startup should be a friend, partner, who has the passion for what your

my honest suggestion would be not to just interview and hire a CTO, CTO for a successful startup should be a friend, partner, who has the passion for what your startup is about, not just someone who is capable of doing the job. Best way to find that person is networking at local tech events, incubators... keep an eye out for people's blog / comments on various blogs about your field of startup, that will reveal passionate people, contact them..