Good afternoon, and thank you all for joining us today to discuss our fourth quarter and full year 2022 operational highlights and financial results. A press release announcing our results is currently available on our website at novavax.com, and an audio archive of this conference call will be available on our website later today. Please turn to Slid two. Before we begin with prepared remarks, I need to remind you that this presentation includes forward-looking statements, including information relating to the future of Novavax, its key strategic priorities, operating plans, objective and prospects. Its future financial or business performance, conditions or strategies, key commercial goals, future product demand trends, the ongoing development of our vaccine candidates, including strain selection, anticipating timing of trials and results, the scope, timing and outcome of future regulatory filings and actions, the efficacy, safety and intended utilization of our vaccine candidates, including against COVID-19 variants, the global market opportunities for our vaccine candidates, our manufacturing capacity, and the future availability of our vaccine candidates and key upcoming milestones. Each forward looking statement contained in this presentation is subject to risks and uncertainties that could cause actual results to differ materially from those projected in such statements. Additional information regarding those factors appears under the heading cautionary note regarding forward looking statements in the slide deck we issued this afternoon, and under the heading risk factors, and our most recent form 10-K and subsequent form 10-Q filed with the Securities and Exchange Commission and available@www.sec.gov and on our website at www.novavax.com. As well as subsequent filings with the SEC. The forward looking statements in this presentation speak only as of the original date of this presentation. And we undertake no obligation to update or revise any of these statements. Please turn to slide three. Joining me today for the first time is John Jacob, our new President and CEO. John will provide an update on his first few weeks at Novavax as well as provide an overview of our near term priorities as we plan for the long term path to success. Additionally, John Trevino, Chief Commercial Officer and Chief Business Officer will provide an update on our commercial activities, and Dr. Filip Dubovsky, President of Research and Development will discuss our various strategy and clinical development. Finally, Jim Kelly, Chief Financial Officer and treasurer will provide an overview of our financial results. Rick Crowley chief operations officer will also be available for the Q&A section at the end of today's call. I would now like to hand over the call to John Jacob. Please turn to slide four.