Biodiversity, climate, and human rights consultants

As head of the carbon, climate and built environment sustainability team, Andy helps organisations assess their climate impacts and identify and meet carbon and greenhouse gas (GHG) reduction targets. He directs and works on net zero and decarbonisation strategies and programmes, climate-related projects, including Task Force on Climate-Related Financial Disclosures assessments, and Corporate Sustainability Reporting Directive (CSRD) and various broader sustainability projects, schemes and frameworks. He assesses energy and carbon reduction measures and on-site renewable or low-carbon energy viability and is an experienced trainer.

Andy has over 15 years’ experience in commercial sustainability and has worked across the construction, manufacturing, real estate, food and drink, higher education, chemicals, healthcare and retail sectors. He joined us in 2022, having previously worked for RSK Environment.

He is a Chartered Energy Manager, a Member of the Energy Institute, an Energy Savings Opportunity Scheme (ESOS) Lead Assessor, a practitioner with the Institute of Environmental Management and Assessment (IEMA) and a registered Energy Conscious Organisations consultant.

Jenny is an Associate Director and environmental sustainability specialist at Nature Positive, with over 11 years of experience advising businesses and organisations on sustainability, nature, and climate change. She has experience in delivering environmental studies for large-scale nature restoration projects in the UK and is currently working with businesses to support them to understand their relationship with nature and manage impacts, risks and opportunities. She is experienced in developing sustainability frameworks, conducting double materiality assessments, and developing corporate nature strategies. 

With a background in Geography and a master’s in environmental management, she has broad consultancy experience across global sectors including development and infrastructure, energy, manufacturing, chemicals and finance.  She combines multidisciplinary expertise with systems thinking techniques, strong communication skills, and a commitment to delivering a positive impact for people, the planet, and the UNSDGs.  Previous experience includes developing and delivering a cohesive sustainability programme for a large consultancy and leading the social value strategy and initiatives including STEM and climate education projects. 

In her spare time, Jenny loves spending time outdoors and in nature – including on her gravel bike, swimming or attempting to surf. 

Dominic leads the carbon footprinting workstream in our carbon and climate team. He has a strong technical and analytical background in GHG assessments and carbon footprinting and extensive experience in working with clients in a wide variety of industry sectors, conducting scope 1, 2 and 3 organisation footprints, life cycle assessment (LCA) modelling and carbon impact assessments and providing bespoke sustainability consultancy. Dominic has built tailored carbon footprinting tools for client use and provides clients with insights from emissions data to help businesses achieve net zero and science-based targets. He has also been the key visionary and driver behind RSK’s carbon accounting software development.

Dominic has previously worked in data management for an environmental risk consultancy in the construction sector, analysing complex data and translating it into valuable decision-making information. He gained experience in project managing complex engineering consultancy projects in high-stakes environments.

Tom leads engagements with corporates and financial institutions, working with clients on nature and biodiversity impact, risks and opportunity assessments, strategy development, setting Science-based Targets for Nature (SBTN) and corporate reporting, including Taskforce on Nature-related Financial Disclosures (TNFD), CSRD and financial reporting frameworks. He has developed nature risk strategies and biodiversity footprint models for companies spanning direct operations, value chains and products.

Before joining Nature Positive in 2023, Tom spent ten years working in the finance and manufacturing sectors. He worked closely with institutional investors to develop biodiversity risk models and to integrate nature into environmental, social and governance (ESG) strategy, as well as in high-impact supply chains spanning textiles, steel and automotive sectors in Asia.

Tom has a master’s degree in environmental management and tropical ecology from the University of Stirling, where he researched the economic and ecological impacts of invasive species. He brings together a foundation of international business strategy with an academic understanding of nature and biodiversity.

Sarah works in Nature Positive’s carbon and climate team. She provides technical expertise for the team and manages and reviews GHG assessments and verifications and carbon management plans, as well as targets and disclosures, and has extensive experience in GHG quantification for clients across many industries.

Sarah has a PhD in atmospheric chemistry and climate change science and worked as part of a multidisciplinary team at the UK Department for Transport for seven years, providing expert scientific and technical advice to policymakers on the climate impacts of aviation emissions, before joining RSK in 2019. Her work involved designing and running experiments on numerical climate models and analysing the model output data. Sarah’s postdoctoral work focused on analysing multi-decadal aviation fuel data to attribute aviation CO₂ emissions to geographical regions and a projection of aviation emissions in accordance with the Paris Agreement.

Sarah sits on the British Aviation Group (BAG) sustainability working group and represents RSK and Nature Positive at BAG events and meetings.

Libby is an experienced environmental scientist in our carbon and climate team. Her varied career history spans industry, academia, policy and consultancy, and she is well-versed in managing and interpreting complex datasets, critically reviewing reports and understanding the impacts of climate change on our world.

Libby has been with us since 2023 and leads the climate risk workstream and the climate-related work needed for environmental impact assessments (EIA) and several other compliance-related projects. She has extensive experience in quantifying GHG emissions for companies across numerous sectors, advising on emission reduction strategies and conducting climate change risk assessments. She is experienced in compiling assessments aligned with the GHG Protocol, Equator Principle 4, International Finance Corporation Performance Standards, IEMA guidance, EU taxonomy for sustainable activities, ISO 14091 and PAS 2050.

Maria has worked in the environmental sustainability sector since 2001. As a skilled engineer and project manager, she collaborates closely with senior leaders and C-suite staff to address the carbon, climate and sustainability challenges associated with their business operations. Maria has worked with organisations on a variety of sustainability matters, including climate and carbon, air quality, water management, waste management, on-site ecology requirements for protected species and socio-economic considerations.

Maria has experience in developing climate change risk assessments and adaptation planning; creating decarbonisation pathways for organisations; setting emission reduction targets; producing carbon management plans, GHG assessments and validations and product assessments; and conducting GHG emission software review and validation. Additionally, she has provided climate-related expertise for EIAs, including a carbon capture and storage project. Maria was a member of a local government climate change fund, project-managed sector-level tool benchmarking software and was involved in European Union Emissions Trading System working groups.

Her expertise extends across wide-ranging industries, including the financial, energy, construction, property management, higher education, textiles, medical and pharmaceuticals, retail and food and manufacturing sectors. Maria has helped organisations improve their sustainability performance, contributing to short- and long-term planning and risk registers and the development of strategic direction at the board level.

Vanessa works in Nature Positive’s carbon and climate team, specialising in greenhouse gas (GHG) accounting, carbon management and science-based target (SBT) advisory. She supports clients across the professional services, finance, medical, retail, food and manufacturing sectors, delivering detailed carbon analysis and robust climate outputs aligned with the GHG Protocol, Science Based Targets Initiative (SBTi), Streamlined Energy and Carbon Reporting (SECR) and relevant ISO standards. Her work includes leading and supporting complex organisational GHG assessments and verifications, covering Scope 1–3 inventories and translating technical assessments into practical carbon management plans and credible decarbonisation pathways.

Vanessa brings over ten years’ experience in the sustainability and environmental field, including roles as an in-house expert within listed multinational organisations, with sector experience spanning energy, construction and wider industrial contexts. Across her career, she has contributed to the development, implementation and performance monitoring of large-scale environmental, sustainability and net zero strategies and has successfully managed projects focused on carbon reduction, renewable energy and resource conservation. Vanessa also has strong expertise in environmental management systems and environmental risk management, helping organisations embed sustainability into governance, risk and operational frameworks.

Jim supports clients to integrate sustainability into the heart of business operations and value chains, with a focus on understanding and managing impacts and dependencies on nature. He has over 10 years’ consultancy experience and has worked across the construction, manufacturing, forestry, agriculture, sport, energy and finance sectors, developing projects focused on the most material topics for an organisation.

Jim has experience in developing corporate and project-level biodiversity and sustainability strategies and targets, with a focus on proactive, tangible actions to generate positive change. He understands business requirements and helps embed sustainable practices and controls while considering the entire value chain and its associated risk and opportunity profiles. His recent focus has been on supporting clients in aligning to best practice biodiversity frameworks such as those of the TNFD and SBTN.

Rachel is an experienced sustainability and human rights consultant and is passionate about enabling sustainable business practices that improve outcomes for people, the planet and businesses.

With over ten years’ experience, Rachel has advised international companies, investors and non-governmental organisations across sectors including apparel, banking, construction, fast-moving consumer goods, retail, renewable energy and technology. Her expertise includes strengthening human rights and environmental due diligence systems, designing and delivering sustainability and human rights strategies, engaging diverse stakeholders and reporting.

Rachel has an MSc in corporate responsibility and sustainability, paired with a pragmatic understanding of how businesses operate and the pressures they face.

Joe leads the built environment sustainability team for Nature Positive. He has 13 years’ experience of working on sustainability projects and he focuses predominantly on Building Research Establishment Environmental Assessment Method (BREEAM) assessments, GHG assessments, energy and sustainability statements and carbon management. He has an extensive understanding of sustainability in the built environment and has now been a BREEAM assessor for over ten years. Joe works closely with funders, architects, project managers, main contractors and an abundance of specialists across many environmental disciplines, from major EIA projects to small-scale commercial developments.

Rob has worked in the built environment sustainability team for 15 years and has extensive experience in working on sustainability projects, including BREEAM assessments covering new build and refurbishment projects, Home Quality Mark (HQM) assessments, lighting impact assessments, daylight assessments and energy and sustainability statements.

Rob has an extensive understanding of sustainability in the built environment, having been a BREEAM assessor for 14 years and a BREEAM advisory professional for nearly 12 years. He was also one of BREEAM’s 2014 Assessors of the Year. This has provided Rob with a comprehensive understanding of sustainability across multiple environmental disciplines with a solutions-based attitude to ensuring projects are completed in line with their environmental targets. In this role, he works closely with funders, architects, project managers, main contractors and an abundance of specialist environmental consultants.