Martin Green, federation fellow and scientia professor at University of New South Wales to speak at the World Renewable Energy Congress, organised by Murdoch University’s Environmental Technology Centre, to be held from February 2 to 4 at the Esplanade Hotel Fremantle. Professor Ron Johnston, executive director of the Australian Centre for Innovation at the University of Sydney, and Dr Peter Ellyard, adjunct professor at the University of Queensland and a senior consultant to UNESCO, to speak at Critical Horizons Regional Futures Conference, February 15 and 16 at the ECU South West Campus in Bunbury. Dr Martin Seligam, director of the University of Pennsylvania Positive Psychology Centre and author of Authentic Happiness, to speak at a half day seminar titled ‘Building positive work cultures’, organised by the Australian Institute of Management and to be held on February 27 at the Hyatt Regency. Verne Harnish, CEO of Gazelles Inc. and founder of the Young Entrepreneurs Organisation worldwide, to speak at a one day seminar titled ‘Managing a fast growing business’, hosted by WA Business News and to be held at the Perth Convention Exhibition Centre on March 2.