Prof Jay Conger, professor of leadership at Claremont McKenna College (US), and Dr Lynton Hayes, executive director of executive education at Harvard Business School (US), to speak at an Australian Institute of Management ‘leading by example’ conference on July 17 and 18. Prime Minister John Howard, to speak at a luncheon hosted by the Australian Chamber of Commerce and Industry and CCI WA, July 25 at the Burswood Entertainment Complex. Alf D’Souza, Moscow-based vice-president of corporate affairs for Shell Exploration & Production Services Russia, to speak at an American Chamber of Commerce business briefing, July 31 at the Parmelia Hilton.