1927-1930 intern, Faculty Surgery Clinic, 2nd Moscow Medicine Institute. 1930-1932 Chief Physician and Head, Surgical Department, Slovechno Rayon Hospital, Ukrainia. Simultaneously Head, Slovechno Rayon Health Department.
1932-1938 Assistant, then lecturer, Surgical at London Conference and Extraordinary Session of United Nations General Assembly on the Suez Canal. Attended talks between USSR and Syrian delegate on Israeli aggression against Egypt. 1958 in Moscow attended signing of agreement of economics and technican cooperation and allocation of USSR long-term credit to Egypt, etc.