Industry analysts say it's time for Mayer, who , to lay out a vision for 's future that will motivate employees and keep investors on board.

Mayer to roll out her new plan during a companywide meeting at Yahoo's Sunnyvale, Calif., headquarters, according to a report from . Citing an internal memo, the report noted that Mayer, who left a high-level executive position for Yahoo, met with Yahoo's board of directors twice last week to detail her plans. The company is expected to hold two meetings -- one in the morning and one in the afternoon to accommodate various time zones.

A Yahoo spokeswoman declined to comment on the report or to confirm or deny that a plan will be unveiled Tuesday.

Mayer has spent a few months at the helm of a company that has gone through three CEOs in less than a year, suffered slipping mindshare and an .

"This will make the difference over whether Yahoo grows or becomes the next Netscape," said Rob Enderle, an analyst with the Enderle Group. "She needs to provide a vision the employees, investors, users, and advertisers can believe in and then execute. Yahoo is in a mess, but she has been making some strong initial decisions."