Operator Good morning, and welcome to Tripadvisor's First Quarter 2021 Earnings Conference Call. As a reminder, today's conference call is being recorded. At this time, I would like to turn the conference over to Tripadvisor's Vice President of Investor Relations, Mr. Will Lyons. Please go ahead. Will Lyons -- Vice President of Investor Relations Thanks, Laurie. Good morning, everyone, and welcome to our call. Joining me today are Tripadvisor's CEO, Steve Kaufer and our CFO, Ernst Teunissen. Last night, after market close, we distributed and filed our first quarter 2021 earnings release and made available our shareholder letter on our Investor Relations website. In the release, you will find reconciliations of non-GAAP financial measures to the most comparable GAAP financial measures discussed on this call. On our IR site, you will find supplemental financial information, which includes reconciliations of certain non-GAAP financial measures discussed on this call as well as other metrics.