Shajar is a PhD student studying climate change impact on Lake Kinneret ecosystem.The research focuses on employing an ensemble of few lake-models to predict effects of temperature rise and continues droughts on the Kinneret ecosystem (water temperature, nutrients, phytoplankton, zooplankton, and fish). The research is in collaboration with the Kinneret Limnological Laboratory.Shajar has a B.Sc.Eng. (Mechanical Engineering, Technion), B.sc. in Environmental Sciences, and M.sc. in Water Science, both from Tel–Hai College.