Worked in private sector, with government & the UN. Secretary-General of CITES since 2010. Formerly with IUCN & UN Environment Programme. Australian appointments include: Chief Executive, Dept. of Environment, Heritage & Aboriginal Affairs (SA); Commissioner, Murray-Darling Basin Commission; Deputy Director-General, Dept. of Infrastructure, Planning & Natural Resources (NSW); Chief of Staff, Minister for Environment & Natural Resources (SA); & Partner, Environmental Law, Ward & Partners, Lawyers. Past President, National Environmental Law Assoc. of Australia (SA). Recipient, Member of the Order of Australia (AM) 2011. 1983, LLB; 1995, LLM. Accredited Mediator.