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Our team

We are lawyers, economists, scientists and advocacy experts who share one common goal: to identify innovative pathways to climate justice.

Learn more About us

Experts

Our teams

Aoife O’Leary (she/her)

Founder & CEO

Aoife founded OG in 2021 with a vision to drive bold, innovative climate action and to create an exceptional workplace.

Carly Hicks (she/her)

Chief Strategy and Impact Officer

Carly heads our legal, diplomacy and advocacy teams, ensuring we think about the impact our work is having.

Gill Johnson (she/her)

Chief Operating Officer

Gill heads up the finance, IT, people and culture, office management and governance aspects of Opportunity Green.

Em Fenton (they/them)

Senior Director, Climate Diplomacy

Em supports climate vulnerable countries in multilateral negotiations, centring justice and equity in the transition to net zero.

David Kay (he/him)

Legal Director

David leads OG’s legal team and has overall responsibility for our strategic legal work, targeting systemic change in high-polluting sectors.

Aurelia Leeuw (she/her)

Director EU Policy and Brussels office

Aurelia leads the SASHA Coalition and Opportunity Green’s advocacy team, tackling “anything to do with EU policy making”.

Hannah Jolliffe (she/her)

Communications Director

Hannah delivers comms strategies that strengthen OG’s mission and values, and boost awareness of our work.

Sophie Prinz (she/her)

Senior Legal Manager

Sophie develops and implements Opportunity Green’s legal strategy on aviation and shipping finance.

Sorcha Tunney (she/her)

Senior Manager, Ireland

Sorcha leads Opportunity Green’s policy, advocacy, and engagement work in Ireland.

Kirsty Mitchell (she/her)

Legal Manager

Kirsty leads OG’s legal work in the shipping and steel sectors, advocating for climate action and systemic change.

Suki Rees (she/her)

Legal Manager

Suki leads the legal team’s agriculture work with the aim of reducing emissions in the sector and supporting a just transition.

Zuzka Majcova (she/her)

People and Culture Manager

Zuzka is here to make OG a great place to work, where everyone feels valued and supported and has a good...

Pauline East (she/her)

Finance Manager

Pauline oversees all of our finances and financial reporting; develops financial policies, procedures and internal financial controls.

Nuala Doyle

Nuala Doyle (she/her)

Advocacy Manager

Nuala plays a key role in driving forward the SASHA Coalition, with a focus on UK engagement.

Matilda Graham (she/her)

Legal Manager

Matilda’s research covers regulations around heavy goods vehicles in the EU and UK, and their contribution to the climate crisis.

Delphine Kaczorowski (she/her)

EU Advocacy Manager

Delphine drafts policy documents, briefings and advocacy messages, and contributes to our lobbying strategy at the EU level.

Dominika Leitane (she/her)

Legal Officer

Dominika identifies ways that the law can be leveraged to remove barriers to decarbonising the shipping sector.

James Kershaw (he/him)

Scientific Officer

James carries out scientific research to ensure we’re at the cutting edge of efforts to clean up polluting industries. 

Leona Kadijevic (she/her)

Multimedia Content Producer

Leona produces infographics, posters, explainer videos and ensures our visual identity is consistent.

Sabrina Khan-Dighe (she/her)

Membership & Advocacy Officer

Sabrina manages the SASHA Coalition membership, and actively searches for new members.

Olivia Moyle (she/her)

Legal Officer

Olivia develops and executes strategic legal interventions in the aviation sector and public international law.

Daniel Lubin (he/him)

Communications Officer

Daniel manages communications for the SASHA Coalition relating to climate policy.

Sapphire Metcalf (she/her)

Policy Officer, Climate Diplomacy

Sapphire helps shape international climate policy by combining technical expertise with diplomacy and stakeholder engagement.

Abi Arden (she/her)

Project Officer

Abi leads our Sail & Rail campaign, and supports our CEO with strategy, research and funder engagement.

Maudie Fraser

Maudie Fraser (she/her)

Policy Officer

Maudie works on our Climate Diplomacy team advocating for a just transition that leaves nobody behind.

Beatrice Oyadoke

Beatrice Oyadoke (she/her)

Operations Coordinator

Beatrice is our go-to person for any IT issues, plays a vital role in recruitment, and keeps the OG office running...

Johanna Perraudin (she/her)

Communications Assistant

Johanna manages and produces digital content for our social media channels, website and any other digital platforms

Roo (she/her)

Chief Security Officer

Roo has vast experience chasing down squirrels, barking at strangers and generally being a very good girly.

Rachel Goodwin

Rachel Goodwin

Chair of Trustees

Our Chair of Trustees Rachel is an executive coach and founder of Wordwise Coaching where she also hosts a podcast.

Faresi Farisai Nyaoda

Faresi Farisai Nyaoda

Trustee

Faresi is responsible for overseeing Opportunity Green’s financial management and ensuring that our resources are used effectively to achieve our goals.

Isabelle Rojon

Isabelle Rojon

Trustee

Our Trustee Isabelle is a Transport Specialist at the World Bank working on maritime decarbonisation projects.

Anna Bonderenko

Anna Bonderenko

Trustee

Anna is the Development Director for the Fossil Fuel Non-Proliferation Treaty and brings a wealth of experience to her trustee role.

Gbemi Oluleye

Gbemi Oluleye

Trustee

Our Trustee Gbemi is an assistant professor at Imperial College London and a consultant in the clean technology space.

Borana Resulaj

Borana Resulaj

Trustee

Borana is an international finance professional with extensive experience in the nonprofit sector and UN agencies.

Peter Barnett

Peter Barnett

Trustee

Peter is a lawyer and Programme Lead at Quadrature Climate Foundation, focused on the role of law and finance in accelerating...

Careers

Work with us

Help us drive meaningful change through innovative environmental solutions

People and Culture Officer

Open Deadline: 02/03/2026
We are looking for a People and Culture Officer to support our People and Culture Manager with delivering the full HR portfolio for the organisation.
London-based, with minimum 2 days per week in the London office £ £40,000

Policy Officer

Open Deadline: 23/02/2026
We are looking for a Policy Officer to support our work in Brussels with the EU institutions and Brussels stakeholders by working on drafting positions, supporting on advocacy efforts and staying on top of the latest relevant news.
Brussels-based with minimum 2 days per week in the Brussels office and bi-monthly travel to London. £ €3,448.28 per month

Digital and SEO Manager

Closed Deadline: 16/02/2026
We are looking for a Digital and SEO Manager to develop and deliver Opportunity Green’s digital and SEO strategy, ensuring our online presence effectively reaches, engages and inspires audiences.
London-based or remote in the UK, as long as travel to the office in London for two consecutive days per month is feasible £ £50,000