Ioannis Chatzopoulos is a founder and main partner of SYSM GP, specialized on structural and civil engineering projects. Construction Manager of a major part of the Contracts for the construction of the Infrastructure Works of the Thessaloniki Industrial Area in Sindos. From 1986 to 1991: President of the Executive Committee of the “Organization of Thessaloniki”, designated and authorized for the design and implementation of the “Structural Urban Plan and the Environmental Protection Program for the Thessaloniki Wider Area”, working on the planning and supervision of major urban planning and infrastructure projects. In 1991 joined METE SYSM, merger of METE and SYSM, as the Head of the Highway and Traffic Design Department. He worked as Team Leader of multidisciplinary design groups coordinating, supervising and reviewing the design of major projects as: Sections of the PATHE Motorway, Thessaloniki External Ring Road, Thessaloniki Submerged Tunnel.
He retired in 2016.