I've not seen an effective manager or leader who can't spend some fraction of time down in the trenches... If they don't do that they get out of touch with reality, and their whole thought and management process becomes abstract and disconnected.
Jeff BezosOn the Internet, companies are scale businesses, characterized by high fixed costs and relatively low variable costs. You can be two sizes: You can be big, or you can be small. It's very hard to be medium. A lot of medium-sized companies had the financing rug pulled out from under them before they could get big.
Jeff Bezos