IIGCC's team work closely with members in shaping priorities, delivering activity across work programmes and representing the sector on climate related issues.


Stephanie Pfeifer


Stephanie Pfeifer is the CEO of the Institutional Investors Group on Climate Change (IIGCC). Stephanie has led the IIGCC since 2005 and has overseen its expansion into a pan-European investor group during that time. She sits on the Steering Committees for Climate Action 100+ and the Net Zero Asset Managers initiative and chairs the Steering Committee for the Investor Agenda and Executive Committee for the Paris Aligned Investment Initiative.

Prior to her role at IIGCC, Stephanie worked in investment banking for over seven years, including as a senior economist at Morgan Grenfell and a VP at Deutsche Bank in London. She holds an MSc with distinction in Environmental Studies, a BA in Philosophy, Politics and Economics from Oxford University and an MA in Economics from Exeter University. Stephanie received an OBE for her services to climate finance in Her Majesty the Queen’s Jubilee Birthday Honours List in 2022.

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Rest of team

Adam Rose

Senior Corporate Governance Specialist

Adam leads on the Net Zero Stewardship Workstream, assisting members with development of stewardship strategies and proxy voting policies as well as engagement escalation strategy for Climate Action 100+.

Adam has more than 15 years’ experience in the corporate governance and proxy solicitation industry and has a strong background in shareholder engagement, proxy solicitation and mainstream investor activist campaigns. He has previously worked for proxy advisers and solicitation firms such as: Boudicca Proxy Consultants (part of the Registrars arm of FTSE250 company Equiniti plc) as Head of Corporate Governance; Minerva/Manifest Voting Services as Lead of the Socially Responsible Investment team; and Pensions & Investment Research Consultants (PIRC), in team leading capacities. He also established risk research consultancy teams at the SERM Rating Agency, worked with the ECGS providing UK policy input whilst at PIRC. Adam was involved in ESG consultancy work for large FTSE350 and EuroTop companies and authored the Business Risk Handbook: A Sustainable Approach to capture this consultancy knowledge. Adam read Economic Geography at the London School of Economics and has post-graduate qualifications in Management, Marketing, and most recently a distinction in a Master of Research in Corporate Governance.

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Dr Adrian Fenton

Investor Practices Senior Programme Manager

Adrian has joined IIGCC to lead its work on the Net Zero Asset Managers initiative, supporting institutional investors in aligning their portfolios with net zero emissions by 2050. Adrian is a climate change and sustainability specialist with over ten years of progressive professional experience across Africa, Asia, Europe and the Pacific. Adrian has a PhD in climate change economics and policy.

Alexandra Corbin

Climate Analyst - Corporate Programme Officer 

Alexandra joined IIGCC in December 2022 and works within the Corporate Programme supporting on CA100+, and various other IIGCC projects. She graduated from the University of Reading in 2019 with a BSc in Mathematics & Psychology shortly before joining Nationwide Building Society on the Graduate Programme. At NBS she was exposed to the inner workings of financial institutions, particularly through the sustainability scope, and created a role for herself as a climate change risk analyst.

Annabel Clark

Corporate Programme Manager

Annabel works in IIGCC's corporate programme, co-leading on the stewardship workstream as well as supporting corporate engagement in the industrials sector. She joined IIGCC in 2021 from A4S, where she supported the integration of sustainability across the finance community, working closely with investors, CFOs, business schools and accounting bodies.

Annabel holds a degree in Geography from the University of Oxford, where she focused on climate change and the intersection of social and environmental sustainability.

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Anthony Rigby

Head of Operations and Development

Anthony joined IIGCC in November as maternity cover for our Head of Operations and Development.  Anthony is a Chartered Accountant with a wealth of expertise in managing financial systems and delivering effective finance solutions in both the private and voluntary sector. He joins us from a youth charity that supports young people to build confidence and develop their employability skills where he was responsible for their operational functions, before which he was at various other charities, primarily Save the Children UK where he was their International Financial Controller before becoming Head of Finance for their UK Programmes.

Prior to that he spent 12 years working in the financial services sector firstly for EY and then KPMG.

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Callum Provan

Content Strategist

Callum leads IIGCC’s content strategy, an in-house journalist responsible for digital publishing across its online channels. Callum joined in June 2022 from Vodafone, where he spent six years across a variety of internal, external, and social media communication roles. Most recently, Callum built the online brand of the Vodafone UK CEO and Board, as well as writing extensively for a former BBC editor.

Charles Stott

Climate Analyst - Corporate Programme Officer 

Charles joined IIGCC in January 2023 and works within the corporate program on research into the climate-transition’s implications for the automotive and other sectors. He also works on investor engagements with companies on cross-sector themes such as climate-conscious accounting.

Charles holds an MSci from University College London in Human Sciences & Evolution and an MPhil in the Philosophy of Science from the University of Cambridge. Previously he managed University College London’s Fast Forward 2030 network for sustainable entrepreneurship.

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Charlie Bevan

Membership Manager

Charlie leads on pursuing new membership opportunities and driving deeper engagement with IIGCC's membership. Charlie joined in April, having previously worked between London and Sierra Leone as the Impact Specialist for Truestone Impact Investment Management. In his previous role, Charlie gained cross-sectoral experience in social impact initiatives, focusing on microfinance, education consulting and poultry farming.

Charlotte Jones

Associate Director of Operational Strategy and Development

Charlotte joined IIGCC in 2017 and has held a number of roles developing and building IIGCC’s operations functions including Finance, HR, Governance and Legal. She is now responsible for coordinating IIGCC’s strategy and works with the programme teams to operationalise this strategy. Charlotte also leads IIGCC’s fundraising team, collaborating with programme staff, both internally and at our partner organisations, to develop funder proposals, build relationships and report on IIGCC’s impact.

Prior to joining IIGCC, Charlotte spent nine years in project and event management roles for the Institute of Cancer Research, The Law Society of England and Wales, The Economist, Reed Business Information and Euromoney PLC, and has worked across multiple industries (including Law, Social Work, Chemicals and Energy, Aviation and Finance). Charlotte holds a BA in Mathematics and Philosophy from King’s College London. 

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Dan Gardiner

Climate Transition Plan Specialist

Dan Gardiner joined the IIGCC as Climate Transition Plan Specialist in September 2021, he's also a Technical Adviser for the Transition Pathway Initiative (TPI). Dan has been with TPI since 2018 and helped develop the methodologies it uses to assess the carbon performance of the oil and gas and mining sectors. He recently joined IIGCC to assist in the development of additional tools to help accelerate the transition to net zero.

His background is as a sell-side equity analyst at numerous firms including Deutsche Bank and Arete. He holds a First Class MSc in Environmental Technology from Imperial.

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Danielle Boyd

Head of Climate Strategy Implementation

Danielle supports IIGCC's Investor Practices programme. She joined IIGCC in June 2020 having previously worked in corporate sustainability consulting with companies across the built environment and retail sectors on sustainability strategy development and implementation of the TCFD recommendations.

Having completed an MSc in Environmental Technology at Imperial College London in 2018, Danielle also spent time supporting the UNFCCC during international climate negotiations in Bonn.

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Emily Murrell

Climate Policy Programme Director

Emily Murrell leads the policy team, which includes national and international climate and sustainable finance policy issues and the impact on the real economy. She has over a decade of experience working on climate policy and climate finance in the World Bank Group, at HSBC and in the UK Civil Service. Emily was a Senior Policy Advisor for EU and international climate and energy in the UK Cabinet Office and a Policy Advisor in the former UK Department of Energy and Climate Change (DECC). This included experience as a UK Climate Negotiator at UN COP Summits.


Emily has a BSc in Social Policy with Government from London School of Economics and an MA in EU International Relations and Diplomacy from the College of Europe in Belgium. She is a Fellow of the Royal Society of Arts and a Charity Trustee.

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Emma Green

Personal Assistant to the Senior Management Team

Emma joined IIGCC in October 2022, providing administrative support to the Senior Management Team. Emma also supports the wider team with logistics, invoicing, onboarding and recruitment.

Prior to working at IIGCC, Emma spent six years managing production, logistics and operations for a busy international fashion business, and brings with her strong operational expertise. Emma graduated from the Royal Veterinary College with a BSc in Bioveterinary Sciences in 2016.

Freddie Turner

Investor Practices Programme Officer

Freddie joined IIGCC in January 2022 and works within the Investor Practises programme, supporting on membership, updates and IIGCC’s initiatives. He graduated from the University of Glasgow in September 2021 with an MSc in International Banking and Finance and has since had experience at an investment newsletter where he was exposed to multiple environmentally focussed investment opportunities.

Hajira Kamran

Policy Programme Manager

Hajira supports IIGCC's Policy Programme, working across real economy and sustainable finance initiatives. She also plays a managerial role within the Investor Agenda, a leadership group mobilising investor action on climate change. Previously, Hajira worked within M&A policy at Goldman Sachs International.

Hugh Garnett

Investor Practices Senior Programme Manager

Hugh joined IIGCC in June 2022 and works on the investor practices programme where he has responsibility for IIGCC’s real estate workstream. He previously worked as a Senior Policy Specialist at the Royal Institution of Chartered Surveyors, where he led on a range of policy and regulatory issues in the built environment. Prior to this, he has gained experience working in a number of policy roles in regulators and membership bodies.

Jane Murray

Legal Adviser

Jane joined IIGCC part-time as legal adviser in September. She has over 20 years experience as both general counsel and business adviser across sectors and spent much of her career in venture capital focussed on telecommunications and renewable energy. She has developed a number of start-ups and advises seed and early-stage businesses in the wellbeing and social impact space.

Jana Hock

Senior Corporate Programme Manager

Jana leads on the Global Sector Strategies for Climate Action 100+ and the chemical sector engagement at IIGCC. Jana joined IIGCC in 2022 after managing sectoral climate research at ShareAction and working as an equity and ESG analyst for Morgan Stanley Investment Management. She also contributed to several expert groups at SBTI, WGBC, and CBI.

Jana holds a BSc in Accounting and Finance from the London School of Economics and an MSc in International Finance from HEC Paris.

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Jheel Baldi

Corporate Programme Officer

Jheel joined IIGCC as a Programme Officer in July 2022 and works within the Corporate Programme team, supporting its banking and Climate Action 100+ workstreams. She is currently pursuing her MSc. in Environment and Development from LSE.

Judy Chaussalet

Development Manager

Judy is Development Manager at IIGCC.  She is responsible for strategically building relationships with trusts and foundations to maximise opportunities, helping to increase and grow IIGCC’s reach and influence.

She recently joined IIGCC from The Climate Coalition where she was Strategic Relations Manager.  She has had a variety of roles focused on business development primarily working in the charity, academic and public sectors. Originally trained as a biologist (University of Bristol, NC State University, University of Nottingham), she managed a spin-off (Rothamsted International) with a charitable and trading arm for over 10 years. She has a track record for growing business, establishing programmes and managing them.

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Julien Grolee

Investor Practices Programme Manager

Julien is a programme manager in IIGCC’s investor practices workstream, focusing on activities related to the net-zero initiatives (Net Zero Asset Managers and Paris Aligned Asset Owners). Since joining IIGCC in May 2022, Julien is responsible for the development of the IIGCC Net Zero Data Catalogue, and the publication of the Investors Asks of Private Data Vendors.

Kat Sutton

Communications Director

Kat leads the communications team and is responsible for IIGCC’s communications strategy and delivery across all practice areas, initiatives and partnerships. Kat joined IIGCC in 2021, with more than a decade of communications experience in the investment management industry. She previously worked at Schroders and BlueOrchard in a range of roles focusing on corporate communications, media relations, digital marketing and sustainability communications.

She holds a BA in French and Spanish from the University of Kent.

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Laith Cahill

Senior Specialist - Net Zero Stewardship

Laith works across IIGCC’s investor stewardship workstreams, including investor voting policies, proxy adviser outreach and credit engagement.

Prior to joining IIGCC in 2022, Laith worked at Institutional Shareholder Services, where he focused on Say on Climate votes, and as a policy adviser at the Investment Association, covering the stewardship landscape from climate reporting and audit and accounting to diversity and fixed income stewardship.

Leo Donnachie

Senior Sustainable Finance Manager

Leo leads on sustainable finance, supporting the development of IIGCC’s positions on sustainable finance policy and helping members to implement regulatory requirements. He joined IIGCC in 2021 having previously worked in PwC’s Financial Services Regulatory Insights team, where he helped to develop the UK practice’s ESG regulatory proposition for asset and wealth managers.

Prior to this, Leo worked as a consultant in KPMG’s financial risk management practice, and gained trade body experience within the Investment Association’s corporate governance team. He graduated from the University of Oxford with a first-class BA in Modern History.

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Lucia Graham Wood

Corporate Senior Programme Manager

Lucia supports the management of IIGCC's Corporate Programme, project managing IIGCC’s banking workstream as well as focusing on work related to the mining sector and Paris aligned accounting.

She joined in January 2020 from Critical Resource, a stakeholder engagement and sustainability consultancy covering the extractives sectors, where she coordinated and worked on energy sector issues. Lucia holds an MPhil in International Development from the University of Cambridge and a first class BA in International Politics from Kings College, London.

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Mahesh Roy

Investor Practices Programme Director

Mahesh leads the Investor Practices programme. He is the UNFCCC’s Marrakech Partnership focal point for Finance, linking Non-State Actors in finance with Parties to the convention. He most recently was Global Lead for Net Zero and UK Director, Capital Markets at CDP, building on an 18 year career in Banking and Finance, predominately at Macquarie Group where he led specialist teams in Financial Services and Healthcare. He holds an MBA, Energy from Cranfield University.

Marguerite Ohan

Media and Communications Officer

Marguerite Ohan works across the Communications team, including on press messaging and social content. She previously worked in Parliament, and in parliamentary advocacy for a human rights organisation. She has an MSc in Latin American Politics from UCL.

Michael Button

Senior Policy Programme Manager

Michael leads IIGCC's real economy policy work. He supports the development of IIGCC’s positions on real economy policy frameworks at the national, EU and international levels and helps members to understand the implications for their wider activities. He joined IIGCC in 2022 having previously been Head of UNFCCC Climate Finance Negotiations for the UK COP 26 Presidency.

Prior to that he held several international policy roles in the UK Civil Service, including in the Department for International Trade and the Department for Energy and Climate Change. He was also seconded to the European External Action Service climate diplomacy team for COP21 in Paris.

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Misa Andriamihaja

Senior Investment Specialist

Misa has joined the Investor Practices Programme as the Senior Investment Specialist for private markets. Misa is a seasoned private equity investor with expertise in ESG and climate change, with 17 years of global experience in financing, direct investments and private equity fund investments. Misa founded Green Ventures Capital in 2011, an investment company specialising in private equity investments in climate friendly, clean energy technologies and assets.

Natalya de Lance-Holmes

Senior HR Manager

Natalya joined in March 2022 to assist the organisation as it executes further plans for organisation growth at rapid pace. In this generalist role, Natalya provides HR support and advice to the senior management and staff to help build and develop the best possible team at IIGCC. She has a broad responsibility for people priorities including recruitment, onboarding, development, as well as designing and embedding policies, structures and frameworks to enable the team to deliver the best work they are capable of.

Natalya is a Chartered Member of CIPD with a wealth of experience in designing and delivering enabling HR functions in the not for profit sector.  She is passionate about creating enabling conditions for people to thrive at work and for creating positive change in organisations.  She has extensive experience working with international NGOs including Forum for the Future, MSF, and Greenpeace, and prior to that the banking industry. She has keen interest in issues of sustainability and climate change. Natalya holds a Masters degree in Organisational and Social Psychology from the London School of Economics and Political Science.

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Nathalie Bergere

Senior Finance and Operations Manager

Nathalie covers IIGCC’s business operations and provides support on daily administration across the organisation. She joined IIGCC in 2019 having previously worked at EDF Trading Limited for over 18 years in various administrative and operational roles.

Nathalie studied at Belle Beille University in France and holds a Bachelor Degree in Foreign Language and Civilisation.

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Norah Berk

Senior Programme Manager

Norah leads IIGCC’s workstream on nature. Working across the Investor Practices and Corporate programmes, Norah is integrating nature into IIGCC’s existing climate frameworks, building investor knowledge on nature-related issues, and coordinating IIGCC’s participation in NA100. Prior to joining IIGCC in 2023, Norah worked at the Rainforest Foundation UK where she led their evidence-based advocacy on climate and managed projects to strengthen the rights of forest communities.

Norah holds a BSFS in Science, Technology and International Affairs from Georgetown University and a MSc in Ecological Applications from Imperial College London. She completed her master’s thesis at London’s Natural History Museum where she researched biodiversity levels inside areas managed by indigenous peoples and local communities.

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Olivia Thornton

Senior Communications Manager

Olivia supports the delivery of IIGCC’s communications strategy across its programmes and initiatives. She was previously Communications Manager for Climate Action 100+.

She joined IIGCC in March 2021 with over 5 years of communications experience in the energy sector, advising clients and cross-sector member initiatives across the energy and transport sectors with strategic communications.

Olivia graduated from Durham University in 2015 with a 2:1 in History.

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Peter Taylor

Corporate Programme Director

Peter is Head of Engagement for IIGCC’s Corporate Programme, supporting investor engagements with companies through Climate Action 100+ and the Net Zero Engagement Initiative (NZEI).

Previously, Peter worked as a senior portfolio manager for Aberdeen Asset Management in Singapore, London and São Paulo. He was the firm’s first global Head of Corporate Governance and served as Head of Equities for Latin America. Peter began his career at the World Bank Group’s International Finance Corporation (IFC) in Washington DC and Hong Kong, where he developed the first shareholder engagements with companies in China and Vietnam.

Peter was formerly a member of the Singapore Corporate Governance Council and a non-executive director of the Brazilian Capital Markets Association (AMEC). Most recently, he taught the foundation course Governance, Stewardship & Sustainability for the International Corporate Governance Network (ICGN) and advised European development finance institutions (DFIs) on climate governance.

Peter graduated with a BA in Philosophy, Politics and Economics (PPE) from Oxford University and received his Master’s degree from The Johns Hopkins University’s School of Advanced International Studies (SAIS). He is a Chartered Financial Analyst.

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Rosi Croom

Climate Action 100+ Communications Manager

Rosi leads the communications for Climate Action 100+. She joins from The Forward Institute, a responsible leadership think tank, placed there by the UK’s foremost socio-environmental professional programme, On Purpose. Her career prior to that saw her lead global marketing and business development campaigns for Edelman (EMEA) and Cannes Lions International Festival of Creativity. With Master’s degrees in both the Arts and Environmental Sciences, she strives to bridge the gaps between climate policy, persuasive messaging, and social impact.

Ross Gillam

Head of Media Relations

Ross has over a decade of PR and communications experience advising financial services companies and organisations on reputation management. He recently joined IIGCC to lead strategic media relations campaigns in support of IIGCC’s business objectives across its three programmes, as well as high profile global and standalone initiatives. Prior to IIGCC, Ross was a Director at international PR agency, Instinctif Partners.

Sabrina Vashisht

Development Manager

Sabrina is responsible for identifying funding opportunities and managing grants for IIGCC’s programming, including our new nature and biodiversity stream of work. She joined IIGCC in 2023 from Street Child, where she led the Ukraine crisis response programme for children affected by war. Prior to that, Sabrina secured and managed institutional grants at Anti-Slavery International, and led fundraising and communications at the European Human Rights Advocacy Centre.

Sabrina has a BA in French and Russian literature and language, and a Master’s degree in Politics and Security. Sabrina is on the board of trustees of ‘Unfold – Empowerment through Mentoring’, a London charity which works with young people and their parents/guardians to fulfil their ambitions.

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Sam Collins

Events Manager

Sam joined IIGCC in October 2022 as Events Manager. She graduated from Leeds University with a BA hons in politics, before embarking on a career in events. She has over thirteen years' experience across the industry, having worked in a variety of sectors including five years in the charity sector.

Dr Sam Cornish

Climate Transition Plan Analyst

Sam works in IIGCC’s Corporate Programme. His role is to research and develop frameworks for assessing corporate transition planning, and to support the implementation of these frameworks. He joined IIGCC in July 2022, coming from a background in climate science and oceanography, specialising in polar regions.

Sam holds a PhD from the University of Oxford, where he co-founded a student group called Positive Investment Oxford and coordinated the Oxford University Polar Forum. He also graduated with a first-class master’s degree in Earth Sciences from Oxford.

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Sophie Barnes

Corporate Senior Programme Manager - Climate Action 100+

Sophie supports IIGCC's corporate programme as Senior Manager, Climate Action 100+. She is focused on the strategy development for the second phase of the initiative and works on corporate engagement in the utilities sector. Sophie joined IIGCC from the UK Cabinet Office, where she covered the energy transition campaign for the UK's COP26 Presidency.

Valentina Ramirez

Senior Investment Specialist for Public Markets - Investor Practices

Valentina is the Senior Investment Specialist for Public Markets in the Investor Practices Programme, and is leading our benchmarks and derivatives work. Most recently she has worked as a climate finance consultant for Genesis Analytics, an Africa-based consultancy, and served as Deputy Head of Natural Capital Advisory for CrossBoundary, an investment advisory firm, providing financial and strategic advice to forest-based carbon transactions.

Valentina developed her initial career in Colombia's largest bank (Bancolombia) in the asset management and investment banking teams, where she led the issuance of green and social bonds. She is an economist and CFA charter holder, and she holds an MSc in Philosophy and Public Policy from the London School of Economics. She speaks English, Spanish, and French.

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