Currently Chief Sustainability Officer at Aviva. Claudine was previously the Director of Sustainability and Digital Strategy at Argent LLP for 3 years.

Claudine delivered the net zero carbon flights strategy at easyJet in her role as Director of Sustainability. Prior to this she set up the Group sustainability function at Sainsbury’s covering sustainable sourcing, operational waste and community activity as well as group charitable partnerships and overall development of group wide sustainability strategy and implementation.

Claudine was responsible for the sustainability strategy for The Crown Estate’s business. Claudine joined from SEGRO where she was Head of Sustainability. Prior to this she was Director of Corporate Responsibility at British Land where she was responsible for Group corporate responsibility policy, implementation and communication.

Before this Claudine was the Environment Manager at Honda (UK). Claudine is on the City Corporation Property Investment Board and was previously on the Board of Business in the Community (BITC) and the Mace Group Responsible Business Board and was Chair of the Institute of Corporate Responsibility and Sustainability (ICRS) from 2015-2017. She is a Fellow of the Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA).

Rowan leads Climate Risk and Resilience (CRR) at Howden and sits on the company’s Global Leadership Team.  The CRR comprises approximately 100 personnel centrally and embedded across business units and geographies. We help clients to evaluate and derisk their climate related exposures, maintain access to capital and navigate their path towards a resilient, net zero transition. Rowan has been a pioneer in the field of climate risk and insurance for over 20 years. He led the foundation of the Insurance Development Forum with UN, World Bank and Industry leaders and incubated the award-winning Coalition for Climate Resilient Investment. Previously Rowan served on the board of Willis Re as CEO Analytics and founded the Willis Research Network in 2006. Beyond insurance Rowan was appointed to the UK Prime Minister’s Council for Science & Technology 2011-2016 and served on the UK Green Finance Task Force. In 2016 he was made CBE for services to the economy for risk, insurance and sustainable growth.

Sarah Mukherjee, MBE is the CEO of the Institute of Sustainability and Environmental Professionals (ISEP). Previously Sarah was the BBC’s Environment correspondent, presenting on national and international BBC radio and television, winning awards across the world. After leaving the corporation, she held leadership roles in various sectors including utilities and agriculture. Sarah was a panel member for the National Parks Review and the Glover Review and also sat on the National Food Strategy Advisory Panel. She is co-chair of the Natural England Landscape Advisory Panel as well as Non-executive Director on the Board of the Environment Agency. In 2021 Sarah was awarded an MBE for her services to agriculture and farmer well-being.

Since joining IEMA Sarah has been instrumental in implementing a Diverse Sustainability Initiative (DSI) strategy.

Robert Gardner is the Co-Founder and CEO of Rebalance Earth, the UK’s largest dedicated Natural Capital asset manager. Formerly Investment Director at St. James’s Place and Co-Founder of Redington, Mallowstreet, and RedSTART, he believes finance can be a force for good. His mission is now on making Nature an investible asset class to help deliver financial wellbeing in a world worth living in.

Helen leads the GFI’s work on UK nature finance, working across sectors to deliver an economy that values and invests in our natural environment. This includes supporting the supply of UK investable nature projects and demand from UK businesses and financial institutions. The Institute also hosts the Secretariat for the Taskforce on Nature-related Financial Disclosures and Helen oversees the TNFD UK National Consultation Group.

Ben is a Partner in Michelmores’ Agriculture team and heads up the firm’s Natural Capital Group. He is also qualified as a Chartered Surveyor and Valuer, bringing estate management, environmental and valuation expertise to his client offering. Ben has spent over 25 years advising clients on their use of the oldest asset, land, and is now assisting them with the emergence of the latest asset class in the form of natural capital.

As one of the first lawyers to engage with the emergent policy on natural capital, he was architect in several novel and groundbreaking schemes that have since become embedded as the norm. These include advising on several Landscape Recovery Schemes, BNG projects and nutrient neutrality solutions involving wetland creation and infrastructure upgrading.

Ben is the author of ‘A Practical Guide to Payments for Environmental Services’ published by Law Brief Publishing. His innovative work in the sector was acknowledged when he was listed in The Lawyer Hot 100, and he was named a Green Ambassador by Legal 500 in recognition for his work to champion sustainability; he has also recently been shortlisted in the Sustainability game Changer category at the Planet Mark awards. Ben is ranked Band 1 for Agriculture and Rural Affairs SW by Chambers and Partners and named as a Leading Partner for Agriculture and Estates SW by Legal 500 .

With over thirty years of experience at the crossroads of technology, ecology, and education, Dave Kilbey has dedicated his career to using innovation to drive positive environmental change. In 2013, he founded Natural Apptitude, inspired by a lifelong passion for nature conservation and a belief in the power of technology to support ecological recovery.

Under Dave’s leadership, Natural Apptitude has become a leading force in digital solutions for environmental data collection. Its flagship platform, Coreo, is now the market-leading tool for UKHab and Biodiversity Net Gain (BNG) surveys—empowering hundreds of organisations, including pioneering nature recovery organisations such as Nattergal, Knepp, and Wendling Beck, to map, monitor, and accelerate nature recovery. Natural Apptitude is proud to be part of the Rebuilding Nature alliance, working collaboratively to restore ecosystems at scale.