Team

Meet the Climate Arc team.

Felix Preston

Director, Research & Program

Felix Preston

Leadership

Research & Program

Felix leads the research and program team. He was previously Director, Sustainability Impact and Research at Generation Investment Management.

Tahsin Ahmed

Strategic Partnerships Manager

Research & Program

With over a decade of experience in building strategic partnerships and securing multi-million-pound funding for human rights and environmental initiatives, Tahsin serves as ClimateArc’s Strategic Partnerships Manager. She leads efforts to foster collaboration with key stakeholders across the climate ecosystem, to drive impactful action to accelerate climate solutions.

Hasaanah Bhikhoo

Financial Institutions Lead

Research & Program

Hasaanah is Arc’s Financial Institutions Lead, responsible for developing and executing strategies to engage financial institutions. With 10 years of experience spanning investment banking and sustainable finance, Hasaanah joins Arc from Boston Consulting Group, bringing deep expertise at the intersection of finance, sustainability, and strategy.

Vi Bui

Research Analyst

Vi Bui

Research & Program

Vi supports the development of Arc’s Knowledge Centre, curating and developing materials for stakeholders to make climate-aligned financing decisions. Before her Master's in climate change science and policy, she was an activist, empowering young people to take climate action.

Max Collins

Data Engineer

Research & Program

Max works on our data platform as a member of our Research team. He has a Master's degree in Mechanical Engineering and has worked on automation processes in the recruitment sector.

Martins Chigoziem

DevOps Engineer

Research & Program

At Climate Arc, Martins manages and optimizes backend infrastructure, ensuring seamless deployment and operation of cloud-based applications. Before joining Arc, he gained extensive experience in DevOps and backend development, working on automation, cloud infrastructure, and large-scale distributed systems.

Ben Douglas-Griffiths

Data Engineer

Ben Douglas-Griffiths

Research & Program

Ben works in our research team. He has an Integrated Masters Degree in Computer Science tailored towards data and finance and is trained in data engineering.

Owen Grafham

Program Lead

Owen Grafham

Research & Program

Owen is responsible for building and delivering Arc’s Research and Program activities, as well as forging key internal and external partnerships. Previously he was Assistant Director of Chatham House’s Environment and Society Centre.

Mark Harper

Senior DevOps Engineer

Mark Harper

Research & Program

Mark is responsible for cloud infrastructure, build and deployment pipelines and building an API for third parties. He has worked in the computer games and railway industries as a backend Java developer and more recently as a cloud infrastructure/DevOps Engineer.

Emily Harrison

Research Analyst

Emily Harrison

Research & Program

Emily works in Arc's research team helping to map the climate finance ecosystem. She has previously worked in corporate sustainability in the consumer goods sector and has additional experience in finance.

Rachel Hawker

Research Lead

Rachel Hawker

Research & Program

Rachel works in Arc's Research Team and holds a PhD in atmospheric modelling and climate science. She previously worked with asset managers to integrate climate considerations into their investment strategies.

Arun Kalia

Data Engineer

Arun Kalia

Research & Program

Arun works on our data program in our Research team. He has a Master’s degree in Physics and Astronomy, and completed an intensive training course in software and data engineering.

José Luis Resendiz

Research Associate​

Research & Program

José Luis is a researcher specialising in climate finance and currently leads analytics at Climate Arc, where he investigates how companies measure up against their climate promises. He's advised governments and analysed climate policy at places like the World Bank, always looking for clearer paths to meaningful emissions cuts. José Luis is completing his DPhil at Oxford, studying what makes corporate climate strategies credible—and what doesn't.

Łukasz Mastalerz

Head of Technology

Łukasz Mastalerz

Research & Program

Łukasz is responsible for platform strategy and architecture. After building a number of analytical platforms in the financial services industry he spent some time working on green software and sustainable digital services before joining Arc.

Federico Mazza

Partnerships Manager

Federico Mazza

Research & Program

Federico is developing Arc’s portfolio of grants and partnerships. He has spent the last 10+ years leading innovative projects to mobilize private capital towards nature and climate solutions in emerging countries. Previously he worked at the Ocean Risk and Resilience Action Alliance, and Climate Policy Initiative.

Catherine McIntyre

Senior Partnerships Manager

Catherine McIntyre

Research & Program

Cat develops and manages Arc's grantmaking and partnerships portfolio. She has 19 years of experience with some of the UK's largest funders, with a focus on strategy and continuous improvement.

Carlota Moura

Senior Partnerships Associate

Carlota Moura

Research & Program

Carlota works to structure and manage Arc's grantmaking activities and build partnerships with grantees, present and future. She previously worked in the international development and humanitarian space, helping organizations strengthen and scale grant, evaluation and learning.

Stanley Myers O'Mulloy

Data Engineer

Stanley Myers O'Mulloy

Research & Program

Stanley is a member of our Research team, working on our data platform. He has recently worked as a developer in the insurance sector and has an Integrated Master's Degree in Chemistry.

Noemi Pucci

Research Analyst

Research & Program

Noemi works in Arc's research team helping to map the climate finance ecosystem and developing analytics. Previously she worked for Morningstar Sustainalytics' Sustainability Research Team.

Diar Ramadani

Impact Associate

Diar Ramadani

Research & Program

Diar works to strengthen our impact work by designing and implementing monitoring, evaluation and learning systems and tools. He has seven years of professional experience in international development including at Save the Children, USAID, Dexis Consulting Group and the World Bank.

Felipe Ramirez

Senior Data Scientist

Felipe Ramirez

Research & Program

Felipe leads the development of Arc's data solutions and platforms. He has been working on machine learning, data and software engineering for 12 years in multiple industries.

Laura Wellesley-Squires

Forest, Land and Agriculture (FLAG) Lead

Research & Program

Laura works in Arc’s research team where she focuses on the delivery of robust, credible assessments of food and agriculture companies. Previously she was a Senior Research Fellow in Chatham House’s Environment and Society Centre.