While binarily-founded startups are not bad (in the words of the article, "one who can build (Technical) and one who can sell (Non-Technical)", the organization

While binarily-founded startups are not bad (in the words of the article, "one who can build (Technical) and one who can sell (Non-Technical)", the organization will be far better off of there are either three founders, or if both founders have technical ("build") and non-technical ("sell") skills Selling is as much of a "build" activity (in some cases, even more so) as is the ability to "build" - the best product or service in the world that no one knows about, or that does not meet any [potential] customer needs is a pointless waste of time on the part of the creator(s) If you have such a split set of founders as the article seems to imply you "should", when either decides they want to do something different, the company is very liekly to fizzle and die - a "pure" sales person is not going to be able to adequately vet and find a replacement technical partner; and a "pure" technical person is going to barely have a snowball's chance at a wiener roast of finding a reliable sales partner. If, as founders, you do not have skills in multiple areas, you are practically guaranteed to fail