Heller immigrated to Israel in 1949. He received his B.Sc. in Life Science; Zoology and Microbiology in 1965, MSc in Zoology in 1968 and his PhD in 1972 at the Hebrew University of Jerusalem. His dissertation thesis is titled "Studies on the systematics distribution and ecology of the landsnail Buliminus in Israel".[1]
Since 1979, Heller was appointed as an Academic curator of the National Molluscs Collection at the National Natural History Collections at the Hebrew University, Jerusalem.[5] and holds this position till present. He participates in the Committee for Hebrew terms in Zoology and Biology at the Academy of the Hebrew Language and member in the Fauna Committee of the Israel Academy of Sciences and Humanities.
As a veteranscientist, Heller was editor in chief of The Israel Journal of Zoology in the years 1989 -1990.
During his career at the Hebrew University of Jerusalem, Heller was elected Head of the Department of Zoology. For his genuine research, decades of activities in the scientific community in general and in designing the scientific education in Israel, Heller was awarded in 2010 as an Honorary Member of the Zoological Society of Israel.
Notable publications
Heller, Joseph (1984). "Shell colours of desert landsnails". Malacologia. 25: 355–359.
Heller, Joseph; U. N. Safriel (1993). "Setting priorities for the conservation of land snail faunas". In A.C. Van Bruggen & S. Wells (ed.). Biodiversity and Conservation of the Mollusca. Leiden: E. J. Brill. ISBN9073348471.
Heller, Joseph (1993). Land Snails of the Land of Israel, Natural History and a field guide. Ministry of Defence. OCLC67380982. (in Hebrew). English edition published by Pensoft in 2009 ISBN978-954-642-510-2.
Heller, Joseph (2001). "Near East ecosystems, animal diversity". In S.A. Levin (ed.). Encyclopedia of Biodiversity, 4. San Diego: Academic Press. pp. 329–352. ISBN978-0-08-091782-5.