Dhiaffa - Our Team

Our Team

Meet the Leadership

Our team of industry experts brings decades of global hospitality experience, ensuring operational excellence and strategic growth.

Vinicio Alberelli

Managing Director

Mariam Al Araimi

Senior Manager – Business Support

Barbara M. Götzfried

Senior Manager – Asset Operations

Mayan Al Asfoor

Manager – Finance & Strategy

Kieun Ko

Manager – Revenue Management

Scope of Work

Dhiaffa's scope of work encompasses a wide range of activities aimed at improving the management of hospitality assets, increasing operational efficiency, and increasing profitability within the hospitality portfolio.

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Vinicio Alberelli

Managing Director

https://www.linkedin.com/in/vinicioalberelli

With over two decades in global hospitality, Vinicio Alberelli brings unparalleled expertise in asset management, operational excellence, and revenue optimization.
As Managing Director of Dhiaffa Asset & Operations Management, he bridges the gap between ownership and operators, driving profitability and strategic growth. His leadership has propelled luxury hotels and resorts to record-breaking revenue, streamlined operations, and elevated guest experiences.

Having successfully launched and managed properties across Europe, the Middle East, and the Americas, Vinicio ensures that every decision aligns with long-term asset value and market competitiveness. With a proven track record in pre-opening, financial planning, and high-impact strategy execution, he is the driving force behind sustainable success.

Barbara M. Götzfried

Senior Manager – Asset Operations

Barbara Goetzfried, Senior Asset Manager at Dhiaffa, plays a pivotal role in challenging each hotel’s financial and operational performance. With over 25 years of experience in hotel operations, finance, and asset management, she brings a deep understanding of both the local market and global best practices. Previously with W Hotels, Barbara has developed an in-depth knowledge of the Oman market, making her uniquely positioned to drive improvements across the portfolio.

She meticulously analyzes each hotel’s financial performance, ensuring that it aligns with budget expectations, enforces compliance with management agreements, and identifies key opportunities for revenue growth. Her approach involves rigorously assessing operational efficiency to eliminate unnecessary expenses while maintaining high service standards.

Barbara’s expertise, honed through roles at industry leaders such as Accor, Jumeirah, Starwood, and Marriott, equips her with the ability to offer strategic insights into budgeting, capital expenditures, and competitive positioning. Her leadership ensures that every hotel maximizes its asset value, safeguards investments, and remains poised for long-term profitability.

Mariam Al Araimi

Senior Manager – Business Support

https://www.linkedin.com/in/mariam-alaraimi

With 13 years of experience in Human Resources, Learning & Development, and Organizational Strategy, Mariam AL Araimi is a key force in talent optimization and leadership development.

Previously part of the OMRAN Group’s Human Capital team, she works closely with HR leaders across the hospitality assets to improve payroll cost and to enhance workforce performance, identify key talent gaps, and implement strategic HR initiatives.

A Certified HR Consultant, Trainer, and Coach, she has held senior leadership roles in administration, operations, and quality management, consistently driving efficiency and professional growth.

Recognized among Oman’s Top 10 Entrepreneur Women (2022) and Asia’s Top 10 Prominent Women Business Leaders (2023), Mariam’s strategic HR expertise, leadership vision, and people-centric approach make her a vital asset in fostering a high-performance, results-driven workforce.

Kieun Ko

Manager – Revenue Management

https://www.linkedin.com/in/kieun-ko-1664b44b

With over 12 years of expertise in revenue management, pricing optimization, and commercial strategy, Kieun Ko ensures that every hotel operates at maximum profitability.

Having managed revenue strategies for 25 hotels and successfully opened seven properties across luxury and boutique segments, he excels at forecasting, benchmarking, and challenging revenue managers to enhance performance.

His data-driven approach, combined with expertise in STR analysis and pricing strategies, ensures that hotels outperform market trends and capture greater market share.

A two-time Revenue Management Associate of the Year finalist, Kieun is a proven leader in revenue growth and financial optimization, making him a key force behind the hotel group’s success.

Marius Wolmarans

Head of Brand and Development

With over 20 years of experience in branding, hotel management, and strategic development, Marius Wolmarans is the driving force behind the success of the hospitality brand.

Hood Mahfouz Al Rawahi

Asset Analysis Expert

With over a decade of experience in asset management, financial analysis, and strategic planning, Hood ensures that business decisions are supported by accurate data and financial intelligence.

Mayan Al Asfoor

Manager – Finance & Strategy

https://www.linkedin.com/in/malasfoor

With over 20 years of experience in banking, finance, and entrepreneurship, Mayan Al Asfoor is a driving force behind financial optimization and business growth.
From leading major financial institutions like HSBC Oman and Sohar International to launching and expanding her own F&B venture, Buckets & Buckets, she has a proven track record of challenging financial structures, optimizing costs, and driving profitability. In her role, Mayan analyzes P&L reports, food costing, and wastage metrics, ensuring financial efficiency and sustainability. Her strategic problem-solving and results-driven approach make her an indispensable leader in maximizing profitability and operational excellence.

Her current role in Dhiaffa involves thoroughly analyzing all costs across the hotels, ensuring they align with the established budget. The manager is responsible for suggesting strategies to improve sales performance while controlling expenses. This includes digging into financial data to identify cost-saving opportunities and collaborating closely with the finance team of each operating hotel.

Khalid Nasser Ali Al Tobi

Supply Chain Specialist

With over 13 years of experience in procurement, contract management, and supply chain optimization, Khalid ensures that every purchasing decision translates into maximum financial benefit for property owners.

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