Five years ago, Clover Health COO Wilson Keenan got his first job in product management. Before that, he was a line cook. It wasn't his only work experience, but it's what stood out to the man who hired him, Jim Patterson — then Chief Product Officer at Yammer, now CEO of cannabis technology startup Eaze. In fact, it fit into a broader hiring philosophy Patterson subscribes to: chefs and soldiers make excellent product managers.