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.

Shares of Intel closed 14% higher on Thursday, as Wall Street cheered its decision to name former board member Lip-Bu Tan as CEO, who left in August over differences about the chipmaker's direction, after several years of market underperformance.

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.

Tan has been given the responsibility to oversee Intel’s transformation into both a successful chip manufacturing firm and a competitive chip design company.

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.

Intel ( INTC) named Lip-Bu Tan its new CEO, sending the chipmaker's stock higher in after-hours trading Wednesday. Tan, who is set to take the helm of Intel as of next Tuesday, is the former CEO of Cadence Design Systems ( CDNS ), a semiconductor software company that counts Intel among its partners.

With a permanent CEO, Intel now has some stability. But turning around the design and manufacturing businesses won’t be easy.

Intel Corporation stock rises as new CEO Lip-Bu Tan brings semiconductor expertise. Click for my updated view of whether INTC can turn itself around.