- Berejik Engineering. Adviser and design engineer in the field's of water supply, water reuse in agriculture, economical and efficient usage of water for domestic and agriculture, irrigation system project with advanced irrigation methods, water conservation.
- Water Authority. Israel. Director of water conservation division conservation policy and efficiency of water use in Israel.
- Ministry of National Infrastructures, Israel, Water Commission. Head of the Irrigation Engineering Department
- Ministry of Agriculture and Rural Development, Israel, Water Commission. Senior manager of Irrigation Efficiency Department.
- Sirkin Buchner Consulting Engineers, Ltd, Israel. Design engineer in the field of water supply and waste-water disposal.
- The Design Institute of Water Supply and Sanitary Installations in Riga, Latvia. Senior engineer.
- : MA/Msc/MBA
- : Academy of Agriculture of Latvia and the Polytechnic Institute of Riga, Latvia
- : Water supply and Waste Water Treatment
- : M.Sc. in Civil Engineering ( Dipl. Engineer)
- Water Management
- Irrigation and Fertilization
- Adaptation to Climate Change