[4] Her presidency was marked by the focus on national unity, support for Jewish communities living in smaller Canadian centres, aid to Jewish communities in places like the former Soviet Union, and the prosecution of Nazi war criminals living in Canada.
[9] Prior to seeking the presidency, Hershon served as national vice-president of the Canadian Jewish Congress (CJC), Chair of the CJC National Plenary Assembly, Vice-Chair of the North American branch of the World Jewish Congress, and member of the Canadian Human Rights Tribunal.
[11][12][13] In fighting against Quebec separatism, she made her mark leading the Canadian Jewish Congress's national unity strategy.
[14][15] Hershon was instrumental in forming a national coalition of Canada's Italian, Greek and Jewish communities during the debate on the Charlottetown Accord.
[16] Among other activities, Hershon was involved in the effort to retrieve deposits made into Swiss banks by victims of Nazi persecution during and prior to World War II.