Executive Team

Josh Leibowitz serves as President of Seabourn, Carnival Corporation’s ultra-luxury brand. In this role, Josh has overall executive responsibility and leads all business and global operations for the award-winning luxury cruise line. He has held this position since June 2020.

Josh originally joined Seabourn’s parent company, Carnival Corporation & plc, in 2013 as chief strategy officer and was also named senior vice president, Cunard North America in December 2016.

Josh is an avid vacation defender and writes and speaks passionately about the need to take time in life to relax and recharge. Josh has spoken at major conferences including TEDx Coconut Grove, Adobe’s global marketing summit, and multiple travel and trade events and has led extensive consumer and trade research on making the most of vacation time.

Prior to joining Carnival Corporation & plc, he served as managing partner of the Miami office of the consulting firm McKinsey & Co., and as a leader in the firm’s work in advanced analytics and sales and marketing.  Josh has worked extensively with leading luxury retailers, travel, and media companies on demand generation, customer experience and growth strategies.  Before McKinsey, he held multiple operating roles. He was a Managing Director at idealab!, an innovation incubator that creates and operates pioneering technology companies, where he successfully led several e-commerce startups. Prior to that, he started and operated a wholesale and retail shoe business in Los Angeles.

Josh received an A.B. in economics from the University of Chicago, Phi Beta Kappa and holds an M.B.A. from Harvard Business School, with high Distinction, Baker Scholar. He previously served on the board of directors for Take Stock in Children, a non-profit organization in Florida that provides a unique opportunity for deserving low-income students to escape the cycle of poverty through education and on the board of Florida Council of 100, a group of leading Florida-based CEOs advising the sitting governor on economic policy and growth.

Please follow Josh on Twitter at @joshleibowitz. All views are his own.

Gerald Mosslinger serves as the senior vice president of Hotel Operations & Onboard Revenue for Seabourn after being promoted to the position in 2019.

In the role, Mosslinger is responsible for the line's overall marine hotel operations, including culinary, guest services and administration, entertainment, the onboard spa, shore excursion programming, pricing and revenue, and onboard sales for Seabourn. He works closely with the purchasing, logistics, fleet operations, and human resources departments to ensure Seabourn’s fleet remains the best in category. Prior to rejoining Seabourn in 2016 as vice president of Hotel Operations, earlier in his career, he spent more than eight years with the brand, both ashore in Miami, Fla., and aboard the line's ships.

In 2017 Gerald was named a Fellow by the Culinary Institute of America. Before assuming his current position, Mosslinger served as vice president, Food and Beverage, for Holland America Line. His professional career includes a stint with Joachim Splichal's Patina Restaurant Group based in Los Angeles, where he served as regional vice president. He is passionate about travel, motorsports, and is a firm believer in lifelong learning for both himself and his team. 

Tony Roberts is vice president of Commercial Operations and Head of UK and Europe for Seabourn. In this role Roberts is responsible for revenue management, deployment, revenue forecasting, planning, and analytics for the Seabourn brand globally.

Prior to joining Seabourn, Roberts served as vice president of Princess Cruises UK and Europe for six years, during which he led the team through several periods of growth, delivering innovative sales and marketing campaigns and brand partnerships that have strengthened the Princess brand. Alongside his Princess role, Roberts was Chair of CLIA UK and Ireland for three years, including through the operational pause, and was instrumental in our successful return to service in the UK in 2021.

Before this, Roberts worked for Princess’ sister brands within Carnival UK for 17 years in a variety of roles covering customer services, sales, finance and IT. During this time, Roberts initiated and launched a number of major projects alongside the commercial and digital teams.

Steve is responsible for Seabourn’s overall global sales efforts, leading the teams who support the travel advisor community in North America, Europe, the United Kingdom, Australia, Asia, the Middle East, and Latin America.

Prior to joining Seabourn, Smotrys served as vice president of Sales and Trade Marketing, Cunard North America, where he led the Cunard Line North America Sales team to help grow this key market and expand the share of voice within the trade. He joined Princess Cruises in 2000 and over his career within the Carnival Corporation family of brands he has led teams in Revenue Management, Market Planning, Shore Excursions and Sales.  

Robin West is Vice President of Expedition Operations and Planning for Seabourn and is responsible for the development and operation of Seabourn’s expedition programming worldwide.

During his time at Seabourn, Robin has developed and operated numerous new and exciting programs for Seabourn. They include the line’s highly acclaimed program in Antarctica, as well as the creation, implementation and roll-out of the line’s extremely successful Ventures by Seabourn, a select series of excursions offering exceptional opportunities to enhance the ways Seabourn guests experience destinations. Ventures by Seabourn has now been launched in Antarctica, Australasia, Amazon, Iceland, Greenland, the British Isles and Northern Europe, and Alaska.

Born and raised in South Africa, Robin could often be found at the ocean or on the rugby pitch. After receiving his undergraduate degree from the University of Port Elizabeth, his love for adventure developed into a career when he became an owner and operator of two outdoor adventure companies.

Robin eventually sought adventure beyond Africa, setting his focus on global expedition travel. With a solid foundation in business and tourism, Robin worked on private super yachts and luxury cruise ships, planning and executing expedition programs that covered all corners of the world over the course of 12 years.

With this broad experience and knowledge of the luxury industry, Robin joined Seabourn in 2014 as Manager of Expedition Operations & Planning, with responsibility for all aspects of expedition operations. When he’s not off exploring the world, Robin now calls The Netherlands home.

Sean oversees Seabourn’s global revenue management, planning and deployment for the Seabourn fleet and is responsible for increasing the brand’s market position and financial performance. Previously, he was Seabourn’s senior director of product marketing and revenue management. He joined Holland America Line in 2009 as senior manager of financial planning and analysis, where he provided leadership in the development of the annual plan presentations. In 2012, he was promoted to Seabourn’s director of product marketing.

Prior to joining Holland America and Seabourn, he gained a wealth of experience in the travel industry working at his family’s company, Brennan Vacations, where he led teams in international sales, finance and operations for its North American motorcoach tour business.

Sean received his undergraduate degree from the University of Washington in 1993, and holds an M.B.A. from Seattle University.

Josh Leibowitz serves as President of Seabourn, Carnival Corporation’s ultra-luxury brand. In this role, Josh has overall executive responsibility and leads all business and global operations for the award-winning luxury cruise line. He has held this position since June 2020.

Josh originally joined Seabourn’s parent company, Carnival Corporation & plc, in 2013 as chief strategy officer and was also named senior vice president, Cunard North America in December 2016.

Josh is an avid vacation defender and writes and speaks passionately about the need to take time in life to relax and recharge. Josh has spoken at major conferences including TEDx Coconut Grove, Adobe’s global marketing summit, and multiple travel and trade events and has led extensive consumer and trade research on making the most of vacation time.

Prior to joining Carnival Corporation & plc, he served as managing partner of the Miami office of the consulting firm McKinsey & Co., and as a leader in the firm’s work in advanced analytics and sales and marketing.  Josh has worked extensively with leading luxury retailers, travel, and media companies on demand generation, customer experience and growth strategies.  Before McKinsey, he held multiple operating roles. He was a Managing Director at idealab!, an innovation incubator that creates and operates pioneering technology companies, where he successfully led several e-commerce startups. Prior to that, he started and operated a wholesale and retail shoe business in Los Angeles.

Josh received an A.B. in economics from the University of Chicago, Phi Beta Kappa and holds an M.B.A. from Harvard Business School, with high Distinction, Baker Scholar. He previously served on the board of directors for Take Stock in Children, a non-profit organization in Florida that provides a unique opportunity for deserving low-income students to escape the cycle of poverty through education and on the board of Florida Council of 100, a group of leading Florida-based CEOs advising the sitting governor on economic policy and growth.

Please follow Josh on Twitter at @joshleibowitz. All views are his own.