Atmosphere Core Announces Three New Resort General Managers

Leadership appointments underscore the company’s continued focus on operational excellence and guest experience innovation across Atmosphere Hotels & Resorts and COLOURS OF OBLU



Maldives, December 2025 – Atmosphere Core, a leading hospitality brand in South Asia with bold expansion plans across Asia and Europe, has announced the appointment of new General Managers to lead three of its acclaimed resorts within COLOURS OF OBLU and Atmosphere Hotels & Resorts.  These strategic appointments come as the company deepens its focus on operational synergy, brand consistency, and guest experience innovation — key drivers of success in the evolving luxury and lifestyle travel landscape.



At the Atmosphere Hotels & Resorts brand, Mr Mario Stanic takes the helm at RAAYA by Atmosphere, and Mr Maurice Van Den Bosch moves to lead VARU by Atmosphere. Under COLOURS OF OBLU, Mr Brett Craig Castleman joins as General Manager of OBLU SELECT Sangeli.

Mr Mario Stanic takes the helm as General Manager at RAAYA by Atmosphere. Shaped by an Australian upbringing and education, Mario has spent over three decades honing his craft across leading luxury resorts around the world, from the Maldives and the Indian Ocean to Europe, Middle East, and Asia-Pacific. Renowned for his ability to reimagine guest journeys, he champions creativity, innovation, and emotional connection in hospitality. Mario’s leadership style blends operational discipline with empathy, empowering his teams to deliver experiences that surprise and delight. “True hospitality is about emotion. It’s the feeling guests take home. My aim is to craft moments that resonate, driven by teamwork and genuine care,” says Mario Stanic.




Born in Australia, Mr Maurice Van Den Bosch joins VARU by Atmosphere as General Manager, bringing an inspiring leadership style shaped by the country’s easy-going spirit and innovative drive. With over 25 years of international hospitality experience across the Maldives, Sri Lanka, and the Caribbean, he is known for turning strategy into measurable success and consistently motivating multicultural teams to deliver exceptional results. Within Atmosphere Core, Maurice is a respected leader who previously served at Atmosphere Kanifushi and RAAYA by Atmosphere. “Varu has a unique rhythm. It’s vibrant and full of soul. My goal is to lead with energy and collaboration, ensuring guests feel that joy in every interaction”, says Maurice Van Den Bosch.


Mr Brett Craig Castleman joins OBLU SELECT Sangeli as General Manager, bringing over 27 years of global hospitality experience. A true citizen of the world, he blends his South African warmth and intuitive leadership with deep operational insight honed across luxury resorts in Africa, the Indian Ocean, and the Caribbean. Known for his collaborative and empowering management style, Brett believes in creating heartfelt experiences that connect people and place. “Great hospitality begins with genuine connection. When a team feels valued, guests feel it too. My vision is to nurture that shared passion every single day”, says Brett Castleman. 

Commenting on these key appointments, Mr. Ashwin Handa, Chief Operating Officer Atmosphere Core, said, “Leadership agility and strong operational alignment are vital to our continued success. Mario, Maurice and Brett bring not only extensive international experience but also a deep commitment to our philosophy of heartfelt hospitality. Their leadership will strengthen our collective mission to deliver the Joy of Giving, creating exceptional guest experiences and empowering our teams to thrive”.



Atmosphere Core Welcomes Maurice Van Den Bosch as GM of RAAYA by Atmosphere and Milan Mookerjee as VP of Human Resources

Experienced Leaders To Elevate Guest & Employee Experiences 

Atmosphere Core Welcomes Maurice Van Den Bosch as GM of RAAYA by Atmosphere

 and Milan Mookerjee as VP of Human Resources

October 2024 – International hospitality company Atmosphere Core has announced two pivotal leadership appointments. Maurice Lucien Van Den Bosch returns to the Atmosphere Core family as General Manager of RAAYA by Atmosphere, while Milan Mookerjee joins as Vice President of Human Resources. These appointments reflect Atmosphere Core’s ongoing commitment to enhancing guest experiences and fostering a people-centric culture across its portfolio of three brands and nine resorts.

Maurice Lucien Van Den Bosch Returns as General Manager of RAAYA by Atmosphere

Born in Australia, Maurice Lucien Van Den Bosch draws from the country’s renowned laid-back yet dynamic culture in his leadership style, fostering a spirit of inclusivity, adventure, and warm hospitality. He brings over 24 years of expertise in resort management, with a demonstrated ability to exceed profit targets, cost-effectively develop new projects, and lead culturally diverse teams with motivation and efficiency. 

Maurice’s extensive experience includes leadership roles at some of the world’s top hospitality brands in the Maldives, Sri Lanka and the Caribbean. A familiar face within the Atmosphere Core family, Maurice has served as General Manager at both OZEN LIFE MAADHOO and Atmosphere Kanifushi.

As the General Manager of RAAYA by Atmosphere, Maurice will leverage his deep understanding of the brand to lead the resort with a focus on anticipating, crafting, and elevating guest experiences. "The culture and hospitality inspired by the Joy of Giving resonate deeply with me, and this shared value brings me back to the Atmosphere family”, Maurice said. "At RAAYA by Atmosphere, we are creating a castaway island experience of choice, a guest experience like no other, with a fine balance of escapism and energy.  And I look forward to foster a collaborative working environment so that we create unforgettable moments for our guests."

Milan Mookerjee Appointed as Vice President of Human Resources, Atmosphere Core

Veteran Human Resources leader, Milan Mookerjee will oversee talent management and employee growth initiatives across the Atmosphere Core's resorts in the Maldives. With over 15 years of industry experience, Milan is a seasoned professional known for aligning HR initiatives with business goals and fostering a human-centric culture.

Reflecting on his approach to human resources, Milan said, "Leadership is a privilege that we owe to our team. Intentionality with direction and purpose drives results, and I am committed to fostering a culture that empowers our people to grow and succeed. In hospitality, success begins with a motivated, engaged workforce, and I believe in creating an environment where employees feel valued, supported, and inspired to deliver exceptional guest experiences. This includes investing in continuous learning, nurturing talent, and promoting a strong sense of belonging within the team.

Before joining Atmosphere Core, Milan served as Head of Human Resources and Training at Encalm Hospitality Pvt. Ltd., where he led HR and training functions to drive business growth. He has also held several HR leadership roles at prominent companies in India, with a proven ability to develop talent and design learning programmes tailored to business needs.
Ashwin Handa, Senior Vice President of Operations at Atmosphere Core, emphasised the importance of a strong leadership team. "At Atmosphere Core, we foster a people-first culture built on trust, collaboration, and mutual respect, ensuring that every employee takes pride in their work. This dedication extends to curating experiences that guests cherish and return for. Maurice’s deep industry expertise and understanding of our brand, combined with Milan’s people-centric approach, will significantly enhance our operations and guest satisfaction across our resorts".