About Us

Stey GmbH, based in Königstein, is a German company specializing in modular construction and capsule houses. We combine comfort, mobility, and environmental sustainability to create modern living solutions for construction and tourism.

Our mission: to develop housing concepts that respect nature while meeting the highest standards of energy efficiency, flexibility, and design. Production takes place in Moldova, and all products undergo testing and certification procedures at recognized organisations in various countries. This ensures that our houses meet international quality and safety standards.

Our capsule houses offer:

  • Compact, mobile solutions for ecotourism, camping, mini-hotels, and urban development
  • Eco-friendly materials, energy-efficient insulation, optional solar modules, and smart control systems
  • No foundation required – minimal impact on nature, easy transport, and fast installation
  • Flexible use as living space, office, pavilion, or for commercial purposes

Alexandr Sternberg

Alexandr Sternberg

sternberg.alexandru@hansencaphaus.md

Experienced specialist with 10+ years in sales, development of eco-friendly solutions, and renewable energy.

Contributed to the development and promotion of sustainable tourism and ecotourism projects, including initiatives to reduce environmental impact. Known for strategic thinking, partnership building, and successfully implementing projects with high social and environmental value.

Eugeniu Zvonciuc

Eugeniu Zvonciuc

zvonciuc.eugeniu@hansencaphaus.md

A professional with long-standing experience in sales, innovative entrepreneurship, and implementing transformation projects.

Develops and implements advanced business solutions focused on sustainability, digitalization, and international collaboration. Experienced in multicultural environments and adapting business strategies to changing market conditions. Noted for strong commitment, analytical thinking, and leadership.

Oleg Madan

Oleg Madan

Experienced in coordinating teams on construction sites of varying complexity.

Experienced professional in construction and renovation works. Demonstrates high reliability, responsibility, and deep engagement in processes. Speaks multiple foreign languages, builds international business relations, and works effectively in multicultural environments.

Slawa Swiderski

Slawa Swiderski

slawa.swiderski@hansencaphaus.de

Experienced Technical Director with over 20 years in the automotive industry and the German business environment.

Specializes in driving innovation, implementing advanced technologies, and leading transformation projects. Possesses deep technical knowledge, strategic thinking, and a proven record delivering complex engineering solutions. Operates confidently in international environments, combining technological expertise with a strong understanding of business processes and quality standards.

Jana Rubin

Jana Rubin

jana.rubin@hansencaphaus.de

Experienced Finance Director with over 10 years in the German real estate sector.

Proven track record in developing financial strategies, managing budgets, and improving profitability across renovation and new-build projects. Strong expertise in financial modeling, investment analysis, and transaction structuring. Works efficiently with banks, investors, and construction partners, ensuring stability and capital growth in a changing market.

Julian André Jansen

Julian André Jansen

julian.jansen@hansencaphaus.de

Experienced Head of Sales with 20+ years in retail, rail transport, and the automotive industry.

Possesses solid expertise in customer service, strategic sales management, and building efficient solutions. Successfully leads high-performing teams, drives revenue growth, improves efficiency, and strengthens market position. As Head of Sales, oversees team development, motivation, and achievement of key company goals.