One of the people I’ve personally seen handle these issues with exceptional skill is Deep Nishar, LinkedIn’s former head of product and now at SoftBank. Deep set up LinkedIn’s different product threads and expertly managed the product leaders to create a broader sense of ownership via a web of alignment. Each product leader was the owner of a primary thread, but was also partially accountable and compensated for his or her work in supporting a fellow product leader as a secondary thread. This produced an additional layer
