Executive Management
Since its founding in 2010, Clouds Sky GmbH has been supporting organizations in building and operating modern, scalable cloud and platform infrastructures.
What began with early private cloud implementations based on open technologies has evolved into a platform-first engineering and cloud consulting practice. Today, Clouds Sky is a trusted partner for enterprise customers across industries — including automotive, medical, banking, insurance, and food — supporting long-term transformation initiatives and the operation of mission-critical systems.
The company specializes in multi-cloud and hybrid architectures, Kubernetes-based platforms, and cloud-native technologies. Its approach combines deep technical expertise with modern operating models, enabling organizations to build resilient, automated, and future-proof infrastructures while maintaining full control over their platforms.
Beyond project delivery, Clouds Sky provides expert consulting and high-quality training in Cloud Computing Engineering, Kubernetes, and Platform Automation.
Managing Director - Stephan Hartmann (CTO)
Since January 2018, Stephan Hartmann is the second managing director of Clouds Sky GmbH. Thus, he is next to Arash Kaffamanesh equal CEO and holds 50% of the shares. His main focus is on development and finance.
Prior to joining Clouds Sky GmbH, Stephan worked closely with Clouds Sky GmbH with his own company "metamesh". He brings many years of experience in the development of powerful web portals using open source-based cloud solutions and the development of applications for smartphones (apps). This allowed both young startups and large companies a simple and cost-effective way to manage web content. He also developed inter alia for Android, a smartphone app for field service deployment tracking. Stephan works currently on large scale Kubernetes development projects as a Site Reliability Engineer and Enterprise Architect.
Managing Director and Founder - Arash Kaffamanesh (CEO)
Arash Kaffamanesh is the founder of Clouds Sky and Kubernauts, and the creator of the OpenKubes platform.
He designs modern cloud and Kubernetes platforms for organizations seeking to regain control, scalability, and independence.