2008 – 2013: Chairperson, M.Sc. Program, Department of Biotechnology, Tel Hai College Since 1998: Professor, Tel-Hai College Faculty of Sciences and Technology 1997- 2003: Professor, Faculty of Agriculture, Hebrew University Since 1986-2011: Academic Director, MIGAL - Galilee Technology Center 1999 – 2003: Dean of the Faculty of Sciences and Technology, Tel-Hai College 1987 – 1999: Academic Director of Agriculture, Tel-Hai College 1994: Visiting Professor, University of Maryland 1993: Adjunct Professor, East Carolina University, NC 1991: Visiting Scientist, City University of New York, Brooklyn College 1983 – 1984: Visiting Scientist, East Carolina University, NC, USA 1981 – 1982: Research Associate, Department of Biology, Technion - Israel Institute of Technology Since 1979: Lecturer, Tel-Hai College Faculty of Sciences and Technology and researcher at MIGAL - Galilee Technological Center

Gene expression mechanisms in hormonal control of fish growth and reproduction Animals and fish in the ecological system and environmental effects on habitat selection Fish and amphibian nutrition Molecular markers in fish Aquacultural biotechnology