Kareem has been active in the field of immigration since 2010 working for the Canadian government, non-profits, and the private sector.

He has authored over 500 immigration publications. His research has been cited by Canada’s immigration minister, Statistics Canada, the OECD, and the Government of Canada's Annual Report to Parliament on Immigration.

Kareem has been invited to share his immigration insights with the likes of the Canadian Parliament and Senate, foreign government delegations, the American Immigration Lawyers Association, non-profits, the Economist, Walrus, Globe and Mail, National Post, Toronto Star, Global News, Forbes, Washington Post, New York Times, CTV, CBC, Maclean's, OECD, McKinsey & Company, and Boston Consulting Group.

He is a graduate of the University of Toronto and Durham University.