Göran Lerenius was Associate at the law firm Linklaters (Lagerlöf at that time) in Stockholm for almost two years before joining Astra AB as Legal Counsel in 1980. Göran was General Counsel in 1984–1999 and Company Secretary of Astra AB 1988–1999. When Astra Zeneca Ltd was formed in 1999 Göran served as General Counsel Pharmaceuticals through 2008 and finished his career with the company as Deputy General Counsel IP Litigation until retirement early 2012. Göran was a Non-Executive Director of Astra Merck, Inc in the US 1994–1998.