Jeffrey received his Juris Doctor from the University of Victoria in 2013. He was called to the Bar in British Columbia in 2015. Following his first year of law school, Jeffrey worked for the Department of Corporate Finance of the BC Securities Commission. Jeffrey joined an international law firm as a summer articled student in 2012. Before returning to article with that firm in 2014, he clerked for two judges of the British Columbia Court of Appeal from 2013 to 2014.
Jeffrey received a Bachelor of Arts with a Double Major in Classics and Religious Studies from the University of British Columbia in 2008.