Chair, ISWA Working Group on Landfill (UK)
Derek Greedy first worked in the waste management industry as a regulator from 1975 - 1985.  Derek then held operational and technical positions for two of the major waste management operators in the UK both of whom were predominantly focused in landfill.  From 2001 he worked as a Consultant before joining Warwickshire County Council in May 2005 as their Principal Waste Management Advisor.

He is a Chartered Chemist, a Chartered Environmentalist, a Chartered Waste Manager and a Fellow of the Chartered Institution of Wastes Management (CIWM).  Derek also holds the International Status of the International Solid Waste Association’s (ISWA) International Waste Manager programme.  Although he retired in March 2012 he remains the current Immediate Past President of CIWM and Chair of ISWA’s Landfill Working Group.

President of the Environmental Engineering College
of the Portuguese Association of Engineers (Portugal)

Luis Marinheiro has worked in both the public and private sectors of the waste management for well over 15 years.

Luis Marinheiro began his professional career in 1996 as an Environmental Engineer.

Working as a consultant, advisor, coordinator and technical director, Luis Marinheiro was also manager and coordinator of several projects and contracts to provide services in various environmental areas such as waste management, drainage and wastewater treatment, sustainable construction, environmental impact assessment and environmental management.

In a Portuguese Polytechnic Institute he has taught undergraduate courses in waste management, wastewater microbiology, wastewater treatment and environmental management.

In 2010 Luis Marinheiro was elected President of the Environmental Engineering College of the Portuguese Association of Engineers.

Since 2004 he represents APESB, ISWA´s Portuguese National Member, on ISWA's Landfill Working Group, where he has been an active member.

Chairman of Western Australia’s Waste Authority

Chairman of Western Australia’s Waste Authority Marcus Geisler has vast corporate experience including in the waste and recycling industry in Australia and internationally with a particular interest in construction and demolition waste.  Marcus has been an Authority member since 2008 and was Deputy Chairman in 2011/12.

Now Executive General Manager, West and Indonesia for Coates Hire, Marcus has held management positions with Thiess Services and SITA Australia.