The trend isn’t limited to cutting-edge tech firms. Partners also founded some of the best-known companies of the 20th century: Black & Decker, Warner Bros., Hewlett-Packard. And then there are 3M, Costco, Microsoft, Intel, and Apple. Partners, too, founded them.
Partners—whether they are family members or not—are extremely important because their presence boosts the chance of success. It seems like common sense; after all, there is strength in numbers. Generally speaking, partners mean greater resources: more skills, energy, capital, psychological support, networking capabilities.