Lynch joined
Alcoa in 1979, where he rose through the levels, becoming chief financial officer, Alcoa Europe, in
Lausanne, Switzerland. He was also managing director of KAAL Australia Ltd, a joint venture company formed by Alcoa and
Kobe Steel. In 1999, Lynch was appointed vice president and chief information officer. In 2000, Lynch was head-hunted by
BHP Billiton as chief financial officer of the company's Minerals Group. He became chief financial officer of the group in September 2001. Lynch was appointed an executive director of BHP Billiton and member of its board in January 2006. He was subsequently appointed as group president of BHP Billiton's Carbon Steel Materials division in April 2006. After being passed over for the BHP Billiton CEO role, Lynch retired from the company in June 2007. Lynch became CEO of
Transurban in 2008, serving in the role until 2012. He was elected a member of the
AFL Commission at the end of 2007, retiring from the role in 2014. In 2011, Lynch was appointed to the
Rio Tinto board as a non-executive director. In 2020, Lynch joined the board of Australian bank
Westpac. ==References==