The role played by the executive committees was critical in ensuring the project remained strategically well aligned with business requirements. Key members of these senior executive committees were as follows: Josh Leibowitz (All Brands Group), Deanna Austin (Princess Cruises), Beth Bodensteiner (Holland America Line), Matt Rutherford (P&O Australia), Nigel Esdale (Cunard and P&O UK), and Tobias Waack (AIDA). The following people were instrumental in the development of YODA and we publicly acknowledge their contributions: Corrado Sala, Kristina Kaylen, Andrea Torassa, Stefano Riva, Laura Whittaker-Rawlinson, Mitchell Peacock, and Mike Planicka (All Brands Group); Mike Miele, Ravi Regalla, Aashish Seethamraju, Jathin Chandran, Nancy Babu, Puspanjali (Anjali) Kumari, and Tsipi Yaffe (Shared Services); Caroline Handisides, Justin Beck, Jenny Morgan, Melinda Urban, and Malgorzata Pietka (P&O Cruises Australia); Richard Warne, Mike Whales, Chris Clark, Stephanie Cross, Michael Winterbottom, Prakhar Singh, Jeannine Mellor, John Harvey, Peter Vermeulen, Hattie Hall, Clement Li, Marco Tufail, Alex Anderson, and Stefano Riva (Cunard and P&O UK); Dean Apy, Lisa Syme, Fina Lam, Yanqi Xu, Justin Beck, Wei Xie, Andrew Poduska, Bernard Niu, Peng Yang, Cole Sanders, and Danny Meecham (Princess Cruises); Sean Brennan, Paul Grigsby, Greg Vogel, John Harvey, Brian McDowell, Fred Gardner, Meggan French, Alejandro Avalos Mar, Chuanfeng (Ashley) Yang, Alexey Lagerberg, and Elisa Ahern (Seabourn and Holland America Line); Daniela Versick, Maik Bormann, Christian Uterwedde, Norman Wilken, and Hannes Schmeiduch (AIDA); Matt Busch, Jon Higbie, Steven Moy, Stan Ward, Kristina Kaylen, Dan Iliescu, Pratik Mital, Jordan Avery, Kais Hadj-Taieb, Drew Yao, Chuan Mao, Kristen Letchworth, Andrew Tippey, Justin Ji, Elaine Zhao, Bobby Falconer, Ben Johnson, and Peter Chao (Revenue Analytics).