Meet the team

We focus on the start of the supply chain: mining, food, agriculture and fishing, forestry, renewable energy and construction materials are our bread and butter. Our team is made up of engineers, social and political scientists, sustainability specialists and environmental experts who know these sectors, not only from behind a screen, but from on the ground with an understanding of political and social complexities, as well as in depth desk research.


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Managing Director and Founder

Tom Mills

Tom is an experienced team leader and programme director. He publishes and is a reviewer in peer-reviewed international journals on sustainability, energy and natural resources. He has led the scoping, designing and implementation of multi-million-dollar development programmes for the European Bank for Reconstruction and Development, the World Bank, the Asian Development Bank and DFID. He has worked with award winning ESG investors on sustainability in natural resources and energy.


He is a Wynham-Deedes scholar, holds a first-class degree, a master’s in social and political science from Oxford University and an MBA from the Centre for Energy, Petroleum, Mineral Legislation and Policy (CEPLMP), which he holds with distinction. After school, he went straight into the British Army, where he earned his green beret, becoming one of the youngest officers to complete commando training in the UK and France.

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Hara is an experienced research professional in sustainability infrastructure and built environment. He has led and worked on the public and funded research projects with some of the esteemed organizations like United Nations, IFC, Department of Science and technology, as well as with various state governmental departments of Andhra Pradesh, Tamil Nadu, and Karnataka. 

He has over 8 years of experience in developing research proposals, methodologies, performing technical analysis, preparing reports, and assisting in policy research and advisory projects. He brings in expertise on developing analytical tools, providing sustainable and economic solutions across wide range of aspects and scales, and leading green rating certification consultancy projects at urban and building level. During his professional career he has conducted several capacity building activities that include delivering training workshops as well as being a speaker for various educational conferences and training programs.  

Senior Associate

Hara Kumar Varma Namburu

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Kamalnath is a young professional with a passion for sustainability and travelling. He has deep insights into essential scientific and technical engineering capabilities required for identifying and solving environmental issues. He has a solid research and analysis background with expertise in waste management, air emissions and circular economy. He enjoys presenting new ideas and comes up with feasible solutions to relevant problems.

Kamalnath brings international perspective by earning his Master of Science in Environmental and Land Planning Engineering from Politecnico di Milano in Italy, which complements his Bachelor of Technology in Energy and Environmental Engineering from Tamil Nadu Agricultural University in India.


Kamalnath Kumar

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Bharath Tripuram

Senior Associate

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Bharath specialises in ESG analysis, net-zero energy solutions, GHG accounting, carbon offsetting solutions, policy research, green rating (buildings & cities) consultancy, sustainable greenfield and brownfield developments. He has worked with various private and public entities like UNDP, WB, Swiss Agency for Development and Cooperation, Ministry of Power, Government of Andhra Pradesh and Rajasthan, Shakti Foundation and more.

Senior Analyst

Shraddha Sawant

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Shraddha has experience in sustainability reporting, ESG disclosures, Environmental Health & Safety (EHS), environmental education, and food systems research. She worked with G&A Institute, New York to publish a report for investors on trends within sustainability reporting among S&P 500 companies, assisted Maharashtra Knowledge Corporation Ltd. to identify skill gaps in the Indian job market, create

opportunities in the food-water-energy nexus, and design course content for green literacy programs. She aims to drive sustainability initiatives in businesses and the society to build climate-resilient communities. She believes in the power of data to quantify environmental impact and specializes in calculating carbon footprint and conducting life cycle analysis (LCA) of products.

Shraddha’s journey began during her trekking adventures in the Himalayas. The beauty of thee unique ecosystems inspired her to pursue a career in protecting and conserving these habitats. She completed her Bachelor’s in Environmental Sciences from University of Pune, India. Alongside, she continued to pursue her hobby of trekking and travelled to diverse ecosystems across India to study the ecology and conduct socio-economic surveys of the nearby communities, for which she was awarded a diploma in Sustainable Management of Natural Resources & Nature Conservation by the Ecological Society of Pune. She completed her Master’s in Environmental Sustainability from University of Pennsylvania, USA, with her thesis focused on assessing the industrial food supply chains and providing assessment tools to build a closed-loop food value chain and alternative food systems.

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Natalie Dumont de Chassart 

Content and Marketing Manager

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Natalie has over 4 years experience in content development, marketing and PR. She has worked with some of the UK and Europe's fastest growing startups in the VC, fin-tech and natural resource sectors. She now heads up the marketing for TOS and supports content development, both internally and across client projects. 

Natalie was born and raised in Zimbabwe and went to university in Cape Town where she completed her BA in Law and Media & Writing at UCT. She then moved to London to complete her Masters in Corporate Communications at Kingston University, with a focus on authenticity in CSR and corporate reporting. Having worked in the communications sector for 3 years following that, Natalie's interest in finding solutions to social, environmental and political issues in developing countries lead her to TOS.

In her spare time, Natalie enjoys long-distance running and open water swimming. She enjoys reading and has written and illustrated her own children's book, which was published in 2017.

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Prior to joining TOS, Ajinkya worked with nonprofit organisations supporting local governments and multinational corporations. He has experience working on USAID programs, and CSR projects focusing on Environment, Health, and Safety (EHS), sustainable manufacturing, air pollution, energy efficiency, wildlife management, access to renewable energy, conservation, and, capacity building.


Ajinkya completed his Bachelors and Masters in Environmental Sciences from Fergusson College and holds a post-graduate diploma in Sustainable Management of Natural Resources & Nature Conservation from the Ecological Society.


In his free time, he loves reading fantasy and science fiction novels, learning graphic design, and playing video games.

Ajinkya Kamat

Sustainability Analyst