Ritzenthaler, who's been with Celebrity for 20 years, starting as VP sales, said in a note: 'The time is simply right for me to start the next phase of my life and recharge my batteries.'
She went on to assure trade partners there's an 'incredible Celebrity sales and services team in place throughout the Americas that will continue to support you in every way.'
They will report to incoming Celebrity Cruises President Laura Hodges Bethge for an interim period when she takes the helm May 1.