Intel CEO Lip-Bu Tan announced Thursday that hybrid employees must return to the office at least four days a week by September, according to Investopedia. Tan said Intel's offices should be vibrant hubs of collaboration,

In March, when Intel appointed new CEO Lip-Bu Tan, he wrote that he intended to "remake" the struggling Bay Area tech giant. On Thursday, that effort became more tangible for workers - Tan is amping up Intel's in-office requirement and planning to lay off a chunk of its staff.