Jonathan Leslie was appointed as an Independent Non-Executive Director of Lonmin "on 4 June 2009. He is a member of the Remuneration, Nomination and Safety & Sustainability Committees. Jonathan spent 26 years with Rio Tinto, including 9 years service on the board. His roles at Rio Tinto included Mining Director and Chief Executive of two of Rio’s Product Groups, respectively Copper, and Diamonds and Gold. He left Rio Tinto in 2003 to become Chief Executive of Sappi Ltd, a SA-based producer of coated fine papers. In 2006 he became Executive Chairman of AIM-listed Nikanor Plc until the merger with Katanga Mining Limited in 2008. Jonathan has an MA in Jurisprudence from Oxford University and is a qualified barrister." 
In 2003: "Sappi Limited announced today that Jonathan Leslie, currently Chief Executive of the Diamonds and Gold Group of Rio Tinto plc, will join the group in April this year as Chief Executive Officer.
"At that time Sappi will split the roles of Chairman and Chief Executive, and Eugene van As, the current Chief Executive Officer, will retire as CEO and become Non-Executive Chairman of the group.
"Jonathan Leslie is a businessman with a great deal of international experience, and has had a highly successful career at Rio Tinto where he has been responsible for a wide range of corporate activities, including in the past the Rossing Uranium mine in Namibia, the Copper Group and, more recently, the Diamonds and Gold Group."