Intel announced a series of top executive changes on Monday, including the departure of products chief Michelle Johnston Holthaus, at a time when CEO Lip-Bu Tan intensifies efforts to turn around the struggling U.S. chipmaker. Holthaus, who will leave after more than three decades with Intel, had held numerous senior leadership roles, including interim co-chief executive officer following the ouster of former CEO Pat Gelsinger last year. She will remain a strategic adviser over the coming