Together, we will work hard to restore Intel’s position as a world-class products company, establish ourselves as a world-class foundry and delight our customers like never before,” Tan said in a letter to Intel employees on Wednesday.

Lip-Bu Tan may be one of the most powerful technology executives you've never heard of. As he steps into one of the highest-profile jobs on the planet, CEO of troubled, storied chipmaker Intel, his performance will be on full display.

Shares of Intel Corp. jumped the most in five years after the company named Lip-Bu Tan as its next chief executive officer, entrusting a former board member and semiconductor veteran with one of the toughest jobs in the chip industry.