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ABOUT US

OUR TEAM

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Thomas de Ruiter

Managing Director / Owner

With over a decade of experience spanning the global aviation industry, Thomas brings a proven record of operational excellence, compliance leadership, and strategic vision to Swiss Sky Aviation.

 

As Managing Director, Thomas leads the company with a clear mission: to ensure every client achieves sustainable growth through robust compliance, safety, and performance standards. His expertise bridges the worlds of commercial and regulations in aviation — having worked with more than 25 Civil Aviation Authorities worldwide.

NP Positions:

Flight OPS (CMM & SM)

Part 145 (CMM & SM)

Part CAMO (CMM & SM)

ATO (CMM & SM)

Part 21 G (CMM & SM)

Part IS (CMM & SM)

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Tassilo von Merveldt

COO

Behind every great vision stands the steady hand that turns ambition into reality.

 

At Swiss Sky Aviation, that hand belongs to Tassilo, our Chief Operating Officer — a calm, detail-oriented aviation professional whose structured approach ensures excellence in every operation.

NP Positions: 

Flight Ops (SM)

CAMO (CMM & SM)

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Philipp Portmann

CISO

Philipp leads the Information Security domain, ensuring that our clients meet the standards in data protection and cyber resilience. As Head of Information Security, he is responsible for ISO 27001 compliance and the implementation of EASA Part-IS requirements. With a pragmatic and structured approach, Philipp safeguards systems, supports secure operations, and strengthens trust across our aviation environment.

NP Positions:

Part IS (CISO)

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Danielle Wittwer

Executive Assistant

Danielle is the driving force behind our daily organisation and coordination. She keeps schedules aligned, supports ongoing projects, and ensures smooth communication across management, clients, and partners. With her structured and proactive approach, Danielle helps the team stay efficient, and ready to deliver.

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Juuso Kujala

Compliance Monitoring & Safety Manager

Juuso brings extensive hands-on experience in ground handling and operational safety, gained at one of the world’s most respected ground handling organisations. His background provides him with a strong practical understanding of high-tempo aviation environments, regulatory compliance, and safety-critical operations.

At Swiss Sky Aviation, Juuso is responsible for driving and continuously strengthening the Compliance Monitoring and Safety Management functions. He supports the development, implementation, and oversight of management system processes, ensuring that our clients maintain the highest standards of regulatory compliance and operational safety.

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