10 Marriott operations leaders
Global and regional seats split these Marriott operations leaders six to four: Chief Global Officer Erika Alexander, Chief Global Operations Officer Robert Guidice and four global or portfolio vice presidents, plus regional operations directors for Australia, New Zealand and Pacific, Sub Sahara Africa, Luxury Europe West and Luxury East. A partner seeking adoption of a program can hear both the global and the in-market view.
Professionals to explore
Carsten Siebert
LinkedInExperience: Senior Director of Operations Australia, New Zealand and Pacific · Marriott International
Carsten Siebert has been Senior Director of Operations Australia, New Zealand and Pacific at Marriott International since 2023, and held Senior Director Design Development Operations Hotel Conversions Asia Pacific (2019-2023). Carsten was also Area Director Of Operations for Thailand, Vietnam, Cambodia and Myanmar (2017-2019), for Thailand, Vietnam, Philippines and Japan (2014-2016) and for South East Asia, Australia and South Pacific (2013-2014), useful for hotel conversion questions.
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Dana Harrington
LinkedInExperience: Vice President Portfolio Operations Customer Experience · Marriott International
Support for Marriott's strategic licensing agreements is how Dana Harrington describes the work as Vice President Portfolio Operations Customer Experience at Marriott International since 2024. Dana was Area Director Of Operations, Gaylord Brand (2014-2024), Director of Rooms (2014), Director of Operational Excellence (2013-2014) and Senior Director of Openings, Acquisitions & Divestitures (2004-2013) at the company.
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Erika Alexander
LinkedInExperience: Chief Global Officer, Global Operations · Marriott International
Programs meant to run across all hotels fit Erika Alexander, Chief Global Officer, Global Operations at Marriott International since 2021, responsible for hotel operations globally and for efforts to create, deploy and sustain global hotel systems and programs. Erika was Chief Lodging Services Officer, Americas (2015-2021) and Area Vice President, Americas, East Region (2008-2015).
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Jeremy McCluskey
LinkedInExperience: Former Vice President Global Operations - Operations Strategy Performance Accountability · Marriott International
How operating performance is measured is a good question for Jeremy McCluskey, Managing Vice President at Marriott International since 2026 and Vice President Global Operations - Operations Strategy Performance Accountability (2025-2026). Jeremy was also Vice President of Global Operations (2024-2025) and held Senior Director (2020-2024) and Area Director (2016-2020) titles there.
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Josh Fluhr
LinkedInExperience: SVP, Global Luxury Operations · Marriott International
Since 2024, Josh Fluhr has been SVP, Global Luxury Operations at Marriott International, leading global operations strategy for the luxury portfolio across St. Regis, Ritz-Carlton, EDITION, W Hotels and The Luxury Collection. Josh was Chief Operating Officer (2014-2016) and Senior Vice President, Operations (2011-2014) at Morgans Hotel Group, and held hotel operations and openings titles at sbe Lifestyle Hospitality.
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Julie Van de Kerckhove
LinkedInExperience: Senior Area Director of Operations Luxury Europe, West · Marriott International
Luxury hotels in Western Europe are Julie Van de Kerckhove's remit as Senior Area Director of Operations Luxury Europe, West at Marriott International (since 2025), overseeing guest experience and operational execution. Julie was Senior Area Director of Operations Luxury Lifestyle Europe (2023-2024) and a Marriott General Manager across three stints (2014-2023).
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Mark Sahler
LinkedInExperience: Senior Director Of Operations - Luxury East · Marriott International
Mark Sahler holds three current Marriott International titles: Senior Director Of Operations - Luxury East (since 2021), Area Director Of Operations (since 2020) and Area Director of Operations - Luxury (since 2017). Mark was Vice President, Brand Operations Design and Development - Luxury (2014-2016) and Area Director of Operations - The Americas (2011-2014), a fit for luxury brand standards.
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Oliver Meinzer
LinkedInExperience: Vice President Global Operations, Rooms and Guest Experience Innovation & Fulfillment · Marriott International
Guest technology pilots suit Oliver Meinzer, Vice President Global Operations, Rooms and Guest Experience Innovation & Fulfillment at Marriott International (since 2025), with a team that leads global strategy for guest experience innovation. Oliver was Vice President, Global Operations - Digital & Mobile Guest Services (2016-2024) and Senior Director, Global Operations - Mobile Guest Services (2015-2016).
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Robert Guidice
LinkedInExperience: Chief Global Operations Officer · Marriott International
On-property experiences and value for guests and owners are the focus Robert Guidice describes as Chief Global Operations Officer at Marriott International, a title held since 2025. Robert's other Marriott titles were Senior Vice President Global Operations (2023-2025), Chief Lodging Officer, CALA (2021-2023), Vice President, Continent Lodging Services (2020-2021) and Vice President Planning, Performance and Casinos (2017-2020).
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Viktor Stampfer
LinkedInExperience: Senior Director of Operations Sub Sahara Africa · Marriott International
Viktor Stampfer has been Senior Director of Operations Sub Sahara Africa at Marriott International since 2018, alongside current titles as Senior Director of Culinary and Concept Development MEA (since 2015) and Area Director of Operations MEA (since 2012). Viktor was Corporate Director Culinary at Emaar Hospitality (2007-2011), so food and beverage concept questions in the region fit well.
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Choose the right perspective
For a program that needs global sign-off, start with Erika Alexander, Robert Guidice, Oliver Meinzer for guest experience innovation, or Jeremy McCluskey for performance accountability. Josh Fluhr, Julie Van de Kerckhove and Mark Sahler fit luxury brand questions, Dana Harrington licensed portfolio and customer experience work, and Carsten Siebert and Viktor Stampfer the view from Asia Pacific and Africa.
Questions to take into the conversation
- 01What does a vendor need to show in a hotel pilot before global operations adds a guest-facing program to a brand standard?
- 02How do operating standards for luxury brands such as St. Regis, Ritz-Carlton and W Hotels differ from those across the rest of the portfolio?
- 03How does a regional operations director roll a new program out to hotels in several countries at once?
About this directory
This is a professional research starting point based on business profile data retrieved on . Titles and companies reflect that source snapshot; roles marked former had ended by then. Check the linked profiles for current details. Inclusion does not imply Instant Expert membership or availability.