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Innovative and Professional

Greg Freeman
Greg Freeman
M. App Sc (Env Health)
M. Arts (Social Ecology)

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Greg Freeman, Director

Greg has a background in environmental health and established Impact Environmental Consulting in 1997. Prior to that he spent 15 years in Local Government in NSW. Greg's specialist skills are in waste management, strategic business development and environmental event management.

Within waste management Greg works on developing waste strategies, new contracts, waste education programs, community consultation and researching alternative waste treatment processes.

Some of the major conferences which Greg has co-ordinated include:

  • Coffs Harbour Waste Conferences
  • Waste Education Conferences
  • NSW Coastal Conferences

Greg also has a keen interest in the strategic development of businesses, combining social, environmental and economic responsibilities with corporate life. Greg is based in Port Macquarie, on the beautiful Mid North Coast of New South Wales.

Contact Greg by phone on: 61-2-6583 8112, mobile: 0418 496 681 or Email

Dawn Hallinan
Dawn Hallinan

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Dawn Hallinan, Office Manager/Conference Coordinator

Dawn joined IEC in 2007 after 25 years in NSW local government. She has vast experience in administration and is IEC's office manager. Dawn has a Certificate IV in Business Administration and has completed a statement of attainment in Event Management. She works closely with the organisation and running of conferences.

Dawn also works in conjunction with Greg on the development and sales of IEC's range of children's environmental educational story/colouring in books.

Dawn can be contacted by phone on 61-2-6583 8118 or Email

Katherine Driscoll
Katherine Driscoll
B Econ, Dip Law, Grad Dip in Legal Practice
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Katherine Driscoll, Waste Management Consultant

Katherine has worked for IEC since 2007 in waste management consulting. During this time Katherine has managed tender processes for waste services including developing tender documents and specifications for waste, recycling and organics collection and processing services; both in rural and regional areas, as well as metropolitan parts of Australia.

Katherine understands all aspects of the tendering process and can take responsibility for the management of probity, tender period correspondence and the evaluation of submissions. Following the tender, Katherine can draft documents for contract engagement, together with developing contract management plans. Understanding the principles that guide procurement and the ability to work with a range of stakeholders and professionals, ensures Katherine will help deliver the project sought to be achieved.

An understanding of the legislative and regulatory framework governing waste operations and services, as well as a strategic approach to determine the procurement method, allows for the best possible outcomes to be achieved.

Katherine has developed Waste Strategies across NSW. Also, Katherine has conducted numerous full cost analyses of landfills and modelled business cases for various waste services. Feasibility assessments and options reviews have also been undertaken.

Katherine can be contacted by phone on 61-2-6583 8112 or Email

 Connie Button
Connie Button

Connie Button, Conference Director

Connie began working with Impact Environmental Consulting in 2011 and is the Conference Director for Australia’s leading Waste Management Conference, held in Coffs Harbour each year.

Connie has 13 years’ experience in marketing, events and managerial positions. Working for Chartered Secretaries Australia since 2004, she began as Marketing Coordinator for the NSW branch before relocating to Western Australia to manage the Perth office. While she focused on all areas of managing the state operations, one of her primary focuses was on organising, implementing and expanding the associations’ short course training programs, Post-Graduate Diploma in Applied Corporate Governance and annual conferences.
Connie has a Bachelor of Commerce with a double major in Marketing and Management from the University of Wollongong, NSW.

Connie can be contacted by phone on 61-(0)-431 749 747 or Email

 Connie Button
Jeff Green
M. App Sc (Env Health)

Jeff Green, Waste Management Consultant

Until joining IEC, Jeff held the position of Executive Manager Strategy and Sustainability with Coffs Harbour City Council, where he administered Coffs Coast Waste Services. He has over 25 years experience in all aspects of waste management.

Jeff has undertaken investigations of waste management operations and technologies across Australia and internationally in Germany, Austria, South Pacific, Switzerland, South Africa and USA. He led a Commonwealth funded waste management capacity building program in the South Pacific.

In 2007, Jeff participated in the historic UN Conference on Climate Change in Bali and in 2011 was awarded a US State Department Professional (Climate Change) Fellowship to USA. The program included investigation of waste management practices and related carbon emission implications.

Jeff has long been involved with the organisation of professional conferences including the Coffs Waste Conference. Jeff specialises in undertaking waste consultancy projects including strategic waste planning and evaluation of waste collection and processing technology options.

Jeff can be contacted by phone on 61-(0)-418 499 904 or Email

 Connie Button
Jacqui Murray
Education Co-ordinator

Jacqui Murray, Education Co-ordinator

Jacqui Murray is an experienced teacher who is passionate about raising awareness of and advocating for our precious environment. Through her work in sustainability education over the past 8 years, she has worked with thousands of school students, community members and business people across NSW to inspire and encourage sustainability in practice. .

A previous AAEE NSW Community Education Award recipient, Jacqui works in education program development and consulting with Impact Environmental Education. She also belongs to Port Macquarie Hastings Sustainability Network, and is co-convenor of the Mid North Coast Sustainability Education Network..

Jacqui can be contacted by phone on 61-(0)-415 144 3064 or Email


Impact Environmental were able to deliver for Burwood Council a waste collection contract that was innovative and unusual as it anticipated future changes to collection...
- Harry Gavrilis
Burwood Council
Greg doing his thing
Lisa and Katherine
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