Dr. Manolis Mavratzotis is a Chemical Engineer (NTUA) with a PhD in Organic Chemistry and an Executive MBA from the University of Bath. For over 24 years, he led R&D, Quality Control, and Regulatory Compliance at Sika Hellas, playing a key role in the development of advanced construction materials—including concrete admixtures, cementitious systems, and coatings—and in the design of high-standard laboratories and production units. Over the last 5–6 years, one of his main research focuses has been the application of 3D printing technologies in the construction sector, in close collaboration with Sika’s global 3D research team. Since October 2024, he holds the position of Head of Innovation & Sustainability for Sika Area Europe East, where he leads regional strategy across multiple countries.