Stefan Schweizer

Stefan Schweizer serves as Chief Revenue Officer at Open Systems, where he is responsible for driving sustainable growth across regions, markets, and customer segments. He focuses on building scalable go-to-market structures, strengthening customer relationships, and aligning sales execution closely with long-term business objectives.

With extensive experience in international enterprise and SaaS sales, Stefan has led revenue organisations across EMEA in both high-growth and transformation environments. He has built and scaled sales teams from early market entry through global expansion and brings a strong understanding of complex customer landscapes in cybersecurity, networking, and cloud services.

Stefan is known for his disciplined, data-driven approach to revenue leadership. He emphasizes clear ownership, reliable forecasting, and close collaboration across sales, marketing, product, and customer teams. His leadership style combines strategic clarity with operational focus, ensuring that growth initiatives translate into consistent execution and measurable outcomes.

At Open Systems, Stefan is committed to developing high-performing teams and resilient revenue models that support long-term customer value. He believes that sustainable growth is built on trust, transparency, and a deep understanding of customer needs, not short-term wins.