In 1994-2000 period he has attended different professional development programs on Natural resources management and Environmental Protection" - UNESCO, European Environmental Law and Legislation, European Environmental Policies, Environmental Economics, Finance and Green Accounting.

Mr. Rusu has a large experience in national and international programs, being member of ICPDR Working Group for Economic Issues in water field. Since 1998 Mr. Rusu has been involved in the project "A new system of prices and tariffs for water management products and services', in the framework of USAID - Harvard University - River Basin comities.

Mr. Rusu has competences on:

• Managing exploitation of hydraulic works activity
• Establishing and providing of, prices and tariffs for water
• Management products and services and its implementation in water
• Economy branch
• Application of policies and strategies to cover expenses through a system of water charges for products and services water