PhD in Structural Engineering (Moscow State University of Civil Engineering, 1986). Works at the Technion since 1991. Research interests: high-performance and sustainable building materials, radioactivity of building materials and radon mitigation. Editor of two international journals (Materials & Structures, Cement & Concrete Composites) and Special Issues of Journal of Environmental Radioactivity, and of Construction and Building Materials. Fellow (2006) and Honorary member (2022) of RILEM – International Union of Laboratories and Experts in Construction Materials, Systems and Structures, member of ACI – American Concrete Institute and ENA – European NORM Association. Organized several RILEM conferences, including those on Early Age Concrete (EAC’1 in 2001 and EAC’2 in 2017) and on Concrete Durability and Service Life Planning (ConcreteLife-2006, ConcreteLife-2009 and ConcreteLife-2020). Co-organized the Symposium “Use of By-Products in Construction: Dealing with Natural Radioactivity” (2017, Rome). Organizer and teacher in several RILEM PhD Courses (Australia, China, Denmark, Mexico, Northern Macedonia, Russia, Slovakia, Israel). Chair of several committees in the Israeli Institute of Standards. National representative in the Technical Committee of International Standardization Organization (ISO) on Radiological Protection. Authored >100 peer-reviewed papers in intern. journals, >100 papers in conference proceedings, 6 patents. authored/edited >30 books and book chapters.