Careers: Zach Rattner: His startup's AI tool makes moving day easier

Engineers are used to being experts in their field, but when Zach Rattner cofounded his artificial-intelligence startup, Yembo, he quickly realized he needed to get com-fortable with being out of his depth. He found the transition from employee to business owner to be a steep learning curve. Taking on a host of unfamil-iar responsibilities like finance and sales required a significant shift in mind-set.