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 has led the IIGCC since 2005 and has overseen its expansion into a pan-European investor group during that time. She continues to chair the Policy Programme and sits on the Steering Committee of the Climate Action 100+ initiative.

Prior to her role at IIGCC, Stephanie worked in investment banking for over 7 years, including as senior economist at Morgan Grenfell and a VP at Deutsche Bank in London. She holds an MSc with distinction in Environmental Studies and a BA in Philosophy, Politics and Economics from Oxford University and an MA in Economics from Exeter University.

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Rest of team

Charlotte Jones

Senior Development and Operations Manager


Charlotte coordinates IIGCC’s fundraising work and collaborates with programme staff, both internally and at our partner organisations, to develop funder proposals, build relationships and report on IIGCC’s impact. She also leads IIGCC’s HR, governance and compliance functions.

Charlotte joined IIGCC in 2017 after 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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Daisy Streatfeild

Programme Director


Daisy leads IIGCC’s Investor Practices programme which supports members to better integrate climate risks and opportunities into their investment processes and decision-making, including taking forward the recommendations of the Task Force on Climate-Related Financial Disclosures.

Daisy joined IIGCC in 2019 from the Inter-American Development Bank where she was an advisor on sustainable infrastructure investment. She previously worked for the UK government in various programme management and policy roles, including leading on finance strategy and investor relations at Infrastructure UK, and heading international climate finance negotiations at the Department of Energy and Climate Change. Daisy holds an MA in Politics from the University of Edinburgh and an MSc with distinction in Environment and Development from the LSE.

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Lewis Ashworth

Programme Manager


Lewis supports the management of IIGCC’s corporate and investment practices programmes. He graduated with a physics degree from the University of Sheffield in 2016, and then went on to work at the Renewable Energy Policy Network for the 21st Century (REN21) in Paris.

He undertook his master’s degree in 2017 in environmental technology at Imperial College London, where he specialised in energy policy and worked on his dissertation in collaboration with the UK Government Department for Business, Energy and Industrial Strategy (BEIS).

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Lucia Graham Wood

Corporate Programme Manager

Lucia supports the management of IIGCC's Corporate Programme, focussing on work related to the oil and gas, mining and metals and construction materials sectors.

She joins 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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Nathalie Bergere

Operations and Finance 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.

Oliver Grayer

Project Director


Oliver coordinates IIGCC’s corporate engagement programme which includes our work on shareholder resolutions and research on companies and climate risk. As part of his role, he also co-chairs the global implementation working group of the Climate Action 100+.

Oliver joined IIGCC in 2016 having previously worked in consultancy with DNV, AECOM and JLL where his work included green bond assessment and sustainability strategy. Oliver studied at the University of St Andrews and University of Surrey and holds an MA in Geography and an MSc with distinction in Environmental Strategy.

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Rachel Ward

Programme Director


Rachel supports IIGCC's membership by building consensus and identifying key topics on which to engage and influence policy makers in national capitals, Brussels and globally. Rachel also leads the policy work of The Investor Agenda.

Rachel joined IIGCC in 2017 having previously worked for the UK Civil Service for over ten years on EU and international climate change, energy and transport policy, including four years in Brussels with the European Commission and the UK Diplomatic Service, and as part of the UK delegation to COP21 in Paris. Rachel holds a BSc in International Management with French from the University of Bath, and an MA with distinction in European Interdisciplinary Studies from the College of Europe in Natolin, Poland.

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Rosemary McLeod

Policy and Communications Manager


Rose supports the management of IIGCC's policy programme, and communications activity. She joined IIGCC in 2019 from Ernst & Young's Government team where her focus was on UK and EU financial services policy and regulation, in addition to public affairs engagement.

Prior to this she worked as a paralegal in the Financial Services Disputes and Investigations team at Eversheds Sutherland.

Rose has a Master's in European Law from the University of Amsterdam, where she studied International Environmental Law. She graduated from Durham University in 2015 with a 2:1 in Law.


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Tom Fern

Head of Communications


Tom leads IIGCC's communications activity. Profiling IIGCC’s work on key issues and topics, he also plays a leading role in delivering communications activity for global collaborative initiatives the organisation is part of. Tom joined IIGCC in 2018 from the sustainability team at Brunswick, a leading global corporate advisory firm.

He draws on 14 years’ experience gained in corporate, sustainability and climate change communications, strategy and campaigns work. Past roles include time with the European Climate Foundation, Burson Cohn & Wolfe, APCO and Greenpeace. Tom holds a BA in Sociology with Anthropology from the University of Hull.

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