Sabih Khan, Apple's new Chief Operating Officer, has a robust academic background in both engineering and economics. He holds bachelor's degrees in mechanical engineering and economics from Tufts University,

Apple COO Jeff Williams is retiring after 27 years. His exit marks another recent major leadership shift at the company.

Sabih Khan did his dual bachelor's degrees in mechanical engineering and economics from Tufts University and completed a master's degree in mechanical engineering from Rensselaer Polytechnic Institute (RPI).