After training at Beit Dras, he completed his military service at Kibbutz Hefetz Chaim.

In 1963 he completed his master's degree, his dissertation dealt with the examination of the peroxidase enzyme system in citrus tissues.

In 1970, he completed his post-doctorate in the laboratory of Prof. Jerome Schiff, at Brandeis University in Boston, and was involved in biochemical research on sulfur reduction in algae.

He was also a member of the Hebrew University's Senior Appointments Committee for Life Sciences (1991-1993), and a member of the Hebrew University's Senior Appointments Committee for Humanities and Social Sciences ( 2000-2003).

He held two positions in the Bard Fund for Agricultural Developments United States-Israel: Chairman of the Foundation's Interdisciplinary Evaluation Committee (1982), and Chairman of the Field Crops and Orchards Evaluation Committee (2004-2006).

Since retiring from the Hebrew University, he has continued his work on projects to lengthen the shelf life of produce and to increase the productivity of wheat.

"Regulation of photosynthesis by end-product accumulation in leaves of plants storing starch, sucrose, and hexose sugars".

"Ethylene induces de novo synthesis of chlorophyllase, a chlorophyll degrading enzyme, in citrus fruit peel".

"Chlorophyll breakdown by chlorophyllase: Isolation and functional expression of the Chlase1 gene from ethylene-treated Citrus fruit and its regulation during development".

Droby, S; Vinokur, V; Weiss, B; Cohen, L; Daus, A; Goldschmidt, EE; Porat, R (2002).

"Induction of resistance to Penicillium digitatum in grapefruit by the yeast biocontrol agent Candida oleophila".

Mudge, Ken; Janick, Jules; Scofield, Steven; Goldschmidt, EE (2009).