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Honorary Professor, Faculty of Science, Australian National University

Professor Stephen Bygrave has worked on climate change, renewable energy, energy efficiency and sustainable transport for the past 30 years, primarily in policy and research positions at international, national and local levels. He has a PhD in Resource and Environmental Management from ANU and Bachelors of Economics and Science.

Stephen has worked on and delivered many significant environmental initiatives, including leading teams designing the Australian Renewable Energy Target in the late 1990s, developing the Clean Energy Future Package in the 2000s and establishing the Clean Energy Regulator. He also worked on international climate change issues at the OECD between 2002-04. Most recently he was Executive Director Climate Change and Sustainability in the ACT Government, Strategic Advisor NSW Electricity Taskforce and CEO of not for profit Beyond Zero Emissions.


  • 2020–2021
    Strategic Advisor, NSW Electricity Taskforce
  • 2018–2020
    Director, NSW Climate Resilience and Net Zero Emissions
  • 2016–2017
    Executive Director, ACT Climate Change and Sustainability
  • 2013–2016
    CEO, Beyond Zero Emissions
  • 2012–2013
    General Manager, Clean Energy Regulator
  • 2007–2013
    General Manager, Dept of Climate Change
  • 2006–2007
    Assistant Secretary, Department of the Prime Minister and Cabinet
  • 2002–2004
    Analyst, OECD
  • 1998–2002
    Manager, Australian Greenhouse Office


  • 2014 
    UNSW, Adjunct Professor
  • 1998 
    ANU, PhD
  • 1989 
    ANU, BEc
  • 1989 
    ANU, BSc (Hons1)


  • 2002
    Greenhouse Gas Emissions Trading and Project Based Mechanisms,
  • 2002
    International Emissions Trading - Implications for Linking,