Perhaps your interview process is suboptimized for finding talent.<p>Google famously struggled with this issue.  They found the best predictor of how someone will perform in a job is a work sample test (29%).<p>This entails giving candidates a sample piece of work, similar to that which they would do in the job, and assessing their performance at it. Even this can’t predict performance perfectly &gt; <a href="http:&#x2F;&#x2F;www.wired.com&#x2F;2015&#x2F;04&#x2F;hire-like-google&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.wired.com&#x2F;2015&#x2F;04&#x2F;hire-like-google&#x2F;</a>