The Tesla Motors Inc. logo. Michael Short | Bloomberg | Getty Images Gary Clark, a former IT chief technology officer at Juniper Networks, joined Tesla in February as its chief information

officer, according to Clark's LinkedIn profile. Clark succeeds Jay Vijayan, who left the electric carmaker in January last year to start his own venture — Stealth Startup Co. Tesla was

not immediately available for comment. Clark graduated from University of Surrey with a master's in science. He previously worked at Barclays Global Investors as managing director and

head of technology services. _The Wall Street Journal_ earlier reported about Clark joining the automaker.