Thank you, Brad. Good morning, everyone and welcome to our third quarter 2019 earnings call. I'd like to begin my comments by saying that we're pleased to see the execution of our strategy continue to drive results and demonstrate the strength of our business model today and into the future. Our focus on integrating value creating strategy with disciplined and consistent execution has yielded strong results for us over time and through periods of volatility. The strength of our brands and our focus on operating excellence and efficiency have been foundational to those capabilities and have fueled our ability to drive high levels of both net rooms growth and fee growth . We continue to do this as we execute on our capital strategy and increase the percentage of our fee based earnings. Joan will provide details of our Q3 results and an update on our full-year guidance. But first I'd like to spend a little time covering a couple of areas in our business for the quarter. Flat year-over-year revPAR results we reported for the quarter and the reduction in our revPAR guidance for the full year are primarily driven by two factors. Performance of our select service hotels in the US, primarily our high place properties and the disruptions we've experienced in Hong Kong. RevPAR has contracted for our select service hotels in the US over the course of this year as we shift distribution channel mix towards a higher proportion through our internal channels. While our fees are driven substantially from full-service hotels, our select service revPAR performance has had a meaningfully negative impact on a reported system-wide revPAR results. Although the recovery is taking longer than anticipated, looking ahead we do expect improvement in results after we lap their programming changes we made in our Hyatt Place hotels during the fourth quarter of last year. As a reminder, the programming changes in Hyatt Place hotels were designed to benefit our role of Hyatt members and our hotel owners over the long term. And to that end, we are seeing results by way of higher direct channel mix, increased World of Hyatt penetration and decreased distribution costs. We remain focused on maximizing this area of our core business and we continue to see exceptional growth in these brands globally and expect over 10% growth in the number of Hyatt Place hotels in 2019 alone to approximately 370 hotels. There remains significant potential to further expand the Hyatt Place footprint globally where the brand is underrepresented or not yet represented. The second major contributor to the downward pressure we reported on our revPAR results is the ongoing disruption in Hong Kong. This month, we are celebrating the 58th anniversary of our presence in Hong Kong. Over the past 50 years, we've established a very strong brand reputation, especially in our food and beverage operations. And we've operated through many different types of challenges over time strengthening our relative position there throughout our operating history. Our revPAR results in Hong Kong in the third quarter were down about 36%, and conditions have worsened in October with revPAR down over 50% for the month. If you look at results for our Greater China full-service hotels without Hong Kong, Macau or Taiwan, revPAR was up in the quarter approximately half a point with occupancy up about 200 basis points. The key focus for us during times of disruption is how we manage through it and how to take advantage of every opportunity we have to strengthen our position. We see resilient demand for our brands in the face of the recent challenges, and our full-service hotel market share in Greater China was up approximately a 110 basis points in the quarter. While there is uncertainty as to when the disruption in Hong Kong may end or when the trade concerns will dissipate, we continue to have great confidence in the long-term prospects in Greater China and we are excited about our growth plans there. We've seen no pullback in interest from developers and our pipeline and pace of new signings in Greater China remains strong. In fact, our year-to-date signings are already in excess of full year 2018 signings, and we will open a record number of hotels this year. Now I'd like to comment on market share and the group and transient picture. In the third quarter, we are operating at or above all-time high occupancy in most markets. Once again, we drove system-wide market share increases for the quarter, up approximately 100 basis points across the globe. Our global full-service market share increased approximately 140 basis points, while select service share was down a similar amount. Our full-service hotels drive over three-quarters of our total fees and they continue to perform well versus the competition. As the group and transient performance in the US, our group rooms revenue was roughly flat in the US and transient rooms revenue was up approximately 1%. Corporate group room revenue continued to hold up well with an 8% increase over 2018 levels and cancellations have remained at modest levels for our corporate group business. Total group production was a bit soft in the quarter with near-term bookings down more significantly, the same dynamic we've seen throughout the year. Group pace for 2020 is up over 3% and we have secured more than 70% of the business on the books. As we've mentioned before the fundamentals of the economy in the US in particular have remained stable. Increases in transient room nights have more than offset declines we have seen from Association and Leisure Group business. The US full-service transient room revenue is up about 1% for the quarter on year-to-date basis it's up about 2% with roommates driving essentially all of the increase as rates have been relatively flat to last year. As always, our visibility to transient demand for future periods is limited. I also want to briefly comment on SG&A. Our commitment to maximizing our core business in a lower growth environment includes a disciplined approach to managing our SG&A costs, while still allocating resources to support our growth strategy. We are growing our global presence with industry-leading net rose growth and we are making some investments to grow our brands and support the launch of new brands in key markets around the world, and freeing up capacity to fund these investments, we've also reduced spending elsewhere and have managed to keep total costs essentially flat and drive leverage in our earnings. Before turning things over to Joan, I'd like to update you on a few additional items. I'll start with asset sales under our incremental $1.5 billion sell down commitment. As we disclosed in a Form 8-K filed on September 16th, we completed the sale of Hyatt Regency Atlanta for $355 million. The hotel has delivered very strong performance this year and benefited from the Superbowl during the first quarter. Pricing for this asset was strong with a normalized multiple of approximately 12x and the buyer is committed to investing significant capital in the hotel as part of the sale. This asset sale follows the sale of a San Francisco property for $120 million as discussed during our second quarter call, and brings our total asset sales under our $1.5 billion sell down commitment to approximately $475 million at a blended multiple of approximately 13x adjusted EBITDA. As to the other hotel that has been on the market, we have advanced the sale process and have signed a purchase contract subject to closing conditions. We expect to close the sale in the fourth quarter of this year. Each quarter this year I provided an update on the growth and strength of the World of Hyatt program as it's a key part of our strategy to personalize the guest experience. Year-to-date World of Hyatt enrollments are up 37%, and continue to be driven by on property enrollments and also digital sign ups. Global room light penetration is up 430 basis points over last year to a level slightly above 41% of total room nights, representing an all-time high for program contributions. Our strategic alliances are adding to the value of membership and our increasing momentum in the program. We now have over 250 small luxury hotels participating properties as part of our alliance with SLH and we continue to add additional hotels significantly expanding our offerings for leisure travelers. Our aligns with American Airlines has exceeded expectations since it was launched during the second quarter, with significant numbers of members linking their accounts and new members coming in from the Advantage program driving additional hotel revenue through a World of Hyatt bookings. We continue to believe that strong engagement of World of Hyatt members contributes to our market share performance over time. Finally, I'd like to briefly discuss Caption by Hyatt, the new brand we recently introduced at the lodging conference in September. Caption by Hyatt is a new lifestyle select service brand that we designed to create a social, localized environment that fosters authentic connections. The brand will facilitate connections for both guests and local patrons as a destination with self activated design and an appealing food and beverage offering that combines café, market and bar concepts. The food and beverage concept for the brand is being designed by Danny Meyer's Union Square Hospitality Group with the goal of establishing it as a point of attraction for those working and living in proximity to the hotels. Caption by Hyatt Hotels will be targeted in high foot traffic urban centers and we see global demand for this type of experience and products. We believe this brand fills in a gap not only for us but across the competitive landscape with the ability to cater to different stay occasions than our current offerings, while also driving enhanced non guests revenue through the public social space anchored by a unique food and beverage concept. The development cost for Caption by Hyatt Hotels will be competitive with other lifestyle select service hotels and the operating model will drive strong and competitive operating margins. Our owners Advisory Council have been actively involved in the journey to develop this exciting new brand and we've received extremely positive feedback and significant interest since officially announcing the brand just last month. In summary, I'm happy with our ability to advance Hyatt during an uncertain time and I'm proud of the performance we've achieved so far this year, specifically first as the growth we expect a record year of hotel property and rooms openings this year, while growing our pipeline which is currently up 26% from a year ago. We have been integrating Two Roads Hospitality properties over the course of this year, and we are now set up for enhanced growth in the future as a result. Second, at the operating performance, we continue to grow market share across the globe. We've maintained hotel operating margins in a challenging environment and we've maintained rigorous discipline and managing SG&A. We will also have completed substantially all integration efforts for Two Roads by the end of this year at costs consistent with our expectations and we will benefit from a $25 million reduction in SG&A next year related to the one time integration costs incurred in 2019. Finally, as the capital strategy, we've executed well to date and expect to close at least one more transaction this year, all evaluation levels that will position us very well to fulfill all of our commitments under our disposition initiative. This will allow us to return at least $500 million to shareholders this year. In short, in all areas of our strategy, we are doing exactly what we said we would do. Executing on our strategy to support long-term growth and value creation for the company and our shareholders. With that, I will now turn the call over to Joan.