John Gummer Lord Deben

John Gummer, Lord Deben, is one of the UK’s most influential figures in environmental policy and sustainability, having shaped national and international approaches to climate change over several decades. As the UK’s longest-serving Secretary of State for the Environment and former Chairman of the Climate Change Committee, he has played a pivotal role in developing climate legislation and driving the transition to a low-carbon economy. Elevated to the House of Lords in 2010, Lord Deben continues to be a leading voice on sustainability, business responsibility and environmental governance.

Lord Deben began his political career as a Member of Parliament for Lewisham West before representing Suffolk Coastal for over three decades. During his time in government, he held several senior roles, including Minister for Agriculture, Fisheries and Food, Minister for London and Paymaster General. His tenure as Secretary of State for the Environment from 1993 to 1997 was particularly influential, culminating in the introduction of the landmark Environment Act 1995, a cornerstone of UK environmental legislation.

Following his time in government, Lord Deben continued to shape environmental policy and business strategy. From 2012 to 2023, he served as Chairman of the UK’s independent Climate Change Committee, advising the government on emissions targets and climate strategy. Alongside this, he founded and chaired Sancroft International, advising global organisations on sustainability and ESG practices, helping bridge the gap between policy and business implementation.

His contributions to sustainability have been widely recognised, including receiving the edie Lifetime Achievement Award in 2022 for his impact on climate action. In 2024, he was appointed Chair of the Council for Net Zero Transport at Zemo Partnership, continuing his work at the forefront of environmental policy. With decades of experience across government, business and advisory roles, Lord Deben remains a central figure in shaping the future of sustainability and climate leadership.

Lord Deben is hired as a speaker for his unparalleled experience in environmental policy, government leadership and sustainability strategy. Having influenced UK climate legislation and chaired the Climate Change Committee, he provides authoritative insight into the challenges and opportunities of achieving net zero.

He has addressed audiences ranging from the Scottish Green Energy Awards to global corporations such as Mitsubishi Electric, demonstrating his ability to engage both public and private sector audiences. His talks cover topics including climate change, food security, net zero strategy and sustainable business, offering practical and strategic perspectives grounded in decades of experience at the highest level.

Here are some of the key milestones that define John Gummer Lord Deben’s remarkable career:

  • 2025 – Continued advising UK policymakers and industry leaders on net zero strategy following his tenure as Chair of the Climate Change Committee.
  • 2024 – Appointed Chair of the Council for Net Zero Transport at Zemo Partnership leading work on sustainable transport strategy.
  • 2022 – Awarded the edie Lifetime Achievement Award recognising his contribution to sustainability and climate action.
  • 2012 – 2023 – Served as Chairman of the UK’s independent Climate Change Committee advising government on climate policy.
  • 2010 – Elevated to the House of Lords as Lord Deben continuing his influence in UK politics.
  • 1995 – Introduced the Environment Act establishing a framework for environmental protection in the UK.
  • 1993 – 1997 – Served as Secretary of State for the Environment becoming the UK’s longest-serving in the role.
  • 1979 – 2010 – Served as Member of Parliament for Suffolk Coastal representing the constituency for over three decades.
  • 1970 – 1974 – Served as Member of Parliament for Lewisham West beginning his political career.