[6] He also writes on human and civil rights issues for the Huffington Post[7] and NOW Magazine,[8] as well as various newspapers across Canada, and is frequently interviewed on these topics by the media.

[12] While working for the Children's Aid Society in the early 1980s, Farber served as president of Ontario Public Service Employees Union Local 454, representing over 300 social and child-care workers.

[12] Farber has contributed articles on the Jewish political scene, human rights issues, the Holocaust, hate crime and white supremacy to newspapers including The Globe and Mail,[18] the National Post,[19] the Toronto Star,[20] and others.

[24] Regarding the proposed beatification of Pope Pius XII, Farber has said it is improper to move the process forward until the Holy See's archives from the Second World War are fully released.

"[26] In December 1994, Canada's Security Intelligence Review Committee reported that the white supremacist group Heritage Front had developed a "hit list" targeting 22 Canadians for murder, most of them Metropolitan Toronto Jews.

[29] Over the preceding years, Heritage Front had been infiltrated by, and become largely directed by, Grant Bristow, an undercover agent of the Canadian Security Intelligence Service (CSIS).

In August 1994, a report by the Toronto Sun exposed CSIS domestic spying including Bristow's undercover role in Heritage Front, effectively putting an end to any plot.

[36] From 2012 to 2015, Farber was the Senior Vice President for Gemini Power Corporation, working in partnership with First Nations to help develop sustainable business economies.