Over the past 25 years of his career, Lex has built exceptionally strong credentials in the design of versatile, cost-effective and energy-efficient data centre infrastructure. As Interxion’s Chief Datacenter Technology & Engineering Officer, Lex has supervised the design, build and upgrade of 46 sites over 125,000m² of data centre space in 13 locations in 11 countries. During his time with Interxion he has pioneered several new approaches to data centre design and management, including the improvement of power ratio efficiency between server load and transformer load, and the industry’s first ever modular approach to data centre architecture. Lex is a founding member of the EMEA Uptime Institute. Lex also holds a position at the Green Grid’s Advisory Council, Vice Chair position for the GEC (Governmental Engagement Committee), The Technical Committee, works as a stakeholder for the European Commission DG Joint Research Committee on Sustainability and the European Data Centre Code of Conduct Metrics Group and is an associate of ASHRAE TC 9.9. Lex has also received the 2010 Personal Judges Award in Nice for Outstanding Contribution to the Datacenter Sector over the last 10 years. He studied Mechanical Engineering and Management and Economics in Rotterdam.