Ewen is a director of Westpac Banking Corporation, BlueScope Steel Ltd and Jawun. He is also a member of the Commonwealth Remuneration Tribunal.
Ewen was a Partner at Allens from 1988 to 2013. He served as a member of the firm’s board for 11 years, including four years as Chairman of Partners. His other roles at Allens included Co-Head Mergers and Acquisitions and Equity Capital Markets, Executive Partner, Asian offices and Deputy Managing Partner. He is now a Consultant to Allens.
Ewen served as a director of Mission Australia from 1995 and as Chairman from 2009, before retiring in November 2016. From 2010 to 2015, Ewen was a member of the Takeovers Panel.
In 2013, Ewen was awarded an Order of Australia in recognition of his significant service to the law as a contributor to legal professional organisations and to the community.