Sales, marketing and HR can all be done by engineers, and sometimes is (our company for example). But you'll run into a roadblock with finance. Not many engine

Sales, marketing and HR can all be done by engineers, and sometimes is (our company for example). But you'll run into a roadblock with finance. Not many engineers knows in the inn's and out's of tax law, GAAP or financial instruments available to a company. But would you really want all your people to be engineers, awfully expensive and wasteful to engineering experience for tasks not at all related to engineering.