The phrase "tech genius" refers to someone who is very skilled and knowledgeable in technology. They are highly intelligent and capable in understanding and working with different types of technical devices or computer systems. Full definition
He wasn't always the wildly successful tech genius we've all come to recognize as one of the most innovative and practical leaders the world has ever seen. (inc.com)
Gringo: The Dangerous Life of John McAfee: Documentary about the life of tech genius turned drug lord John McAfee. (sho.com)
The 40 - year - old English actor is in talks to play the charismatic tech genius who gave the world the iMac, the iPod and the iPhone in Sony's upcoming biopic, The... (orlandosentinel.com)