Our team

Helen Slinger is Executive Director at Accounting for Sustainability (A4S), leading our work to provide finance professionals with the knowledge, skills and practical guidance to embed sustainability into their business-as-usual. Whilst at A4S, Helen has led the development and delivery of the A4S Academy and driven the substantial expansion of A4S’s knowledge hub. 

During her time as Head of Sustainable Business at Yorkshire Water, Helen championed a transition to a sustainable business model. She was instrumental in formalising governance structures for their transition to net zero and advancing their TCFD, sustainable finance framework and multi-capitals impact reporting.

Previously at PwC, Helen supported a diverse portfolio of clients in addressing their sustainability challenges across governance, strategy, reporting and assurance.

Helen is a Fellow of the Institute of Chartered Accountants in England and Wales (ICAEW), a Practitioner Member of the Institute of Environmental Management and Assessment and an Accredited Social Return on Investment Practitioner. She is a commissioner on the Yorkshire and Humber Climate Commission, sits on the ICAEW Sustainability Committee, is a member of the Capitals Coalition Advisory Panel and advisor to the University of Cambridge Institute of Sustainability Leadership. She also has an Executive MBA.

Brad Sparks is the Executive Director, Accounting for Sustainability Foundation (US) Inc.

Previously, Brad served as Executive Director, Clients & Markets at KPMG, working with clients to integrate sustainability, respond to sustainability-related risks, and assess corporate sustainability performance.  His prior experiences also include leading KPMG’s global environmental sustainability strategy and advancing the other Corporate Citizenship initiatives for the KPMG global network.  Other prior experiences include Internal Audit at Gateway computers and KPMG Audit.  

Brad is a Certified Public Accountant.  He has an MBA in Sustainable Enterprise from the University of North Carolina at Chapel Hill, as well as a Master of Science and BSBA in Accounting from Appalachian State University.  He lives in Los Angeles.    

Helen is Director of Organizational Performance and a member of the senior management team. She leads the business functions of A4S, including finance, human resources, governance, operations, and IT, to enable effective delivery of the organization’s strategy. She also has a focus on impact and performance.

Helen has over twenty five years’ experience working in mission driven organizations, including Plan International and the Bill & Melinda Gates Foundation. She has an MBA from the Wharton School of the University of Pennsylvania, a BA in South Asian Studies from SOAS University of London, and is a Fellow of the Royal Society for Arts, Manufactures and Commerce.

Susan is managing our global CFO programme including managing our current networks and expanding the programme.

Susan has over twenty years’ experience as a project and programme manager. Prior to A4S she worked in the financial sector managing IT implementation, restructure and regulatory projects. She moved to the not for profit sector and worked in CAFOD, an international overseas development agency, as a programme change manager managing the delivery of a divisional restructure. Susan has a B.Comm and H.Dip in System Analysis from NUI Galway.

Kerry sits on our Global Executive Team, and leads our Capital Markets programme to accelerate awareness and action towards a global sustainable financial system. This includes: running the A4S Asset Owners Network for pension fund chairs, supporting their commitments to embed sustainability into their strategic and investment decisions; convening senior finance to address specific challenges faced by the financial sector; and leading on guidance to scale up adoption of sustainable action by pension scheme trustees and finance within the banking and insurance sectors.

Having worked on numerous sustainability initiatives of His Majesty King Charles III, Kerry first joined A4S in 2006 and returned in 2017 to drive support for and adoption across a global CFO community of the recommendations of the Task Force for Climate-related Financial Disclosures (TCFD).

Kerry also manages our relationships with current and potential funders of our work.

Martina leads the CFO Leadership Network for Europe and the A4S global reporting initiatives, including the Controller Forum. In addition to working directly with CFOs, controllers and their finance teams, she leads relationship of A4S with some reporting bodies, such as the ISSB, and represents A4S in IIRC meetings. She leads projects that require extensive collaboration across different teams, organizations and geographies, including on investor engagement.  

Before joining A4S, Martina spent 11 years in consulting and auditing in Finance and Financial Services, having worked for Ernst & Young (EY) where she was a Senior Manager in the CFO Advisory team. She has extensive experience in leading technical projects in the reporting, regulatory and credit risk space, working with C-suite executives and senior finance professionals by managing cross border programmes. 

She is a chartered accountant (FCCA) and qualified project manage (Prince2). She holds a Master’s degree in Banking and Finance and a Bachelor in Business and Economics from the University of Padua, Italy.

Phil leads the CFO Leadership Network in Canada, supporting the delivery of global projects, leading Network members activities and A4S programmes across the region.

With a passion for sustainable business, Phil brings 20 years of experience in finance, accounting and consulting, working with asset managers, investors, and corporations.

Phil is a fellow of the accounting profession (FCCA), holds the FSA Credential (SASB) and has an MSc (Distinction) in Sustainable Development from the University of Sussex and a BA (Hons) in Business from the University of Bedfordshire.

Jamie coordinates A4S’s communications.

Jamie is active in developing the team’s communications strategy, digital presence and our Communications Group. Jamie has previously worked for UK Trade & Investment (UKTI) and the Enterprise Europe Network. He has a BA in History and Politics from The University of Sheffield.

Lucy is responsible for developing and delivering the events and engagement strategy at A4S, including the annual A4S Summit.

Prior to joining A4S, Lucy worked for a commercial conference and marketing solutions organization as the Head of Content, overseeing product development across multiple sectors. Lucy has a BA (Hons) in English from Queen Mary, University of London.

Sara is the Senior Finance Manager for A4S with responsibility for the financial planning, management and reporting of A4S.

Sara is a Chartered Accountant (ICAEW) and qualified with Deloitte’s audit practice. After qualifying, Sara joined Deloitte’s forensic department and has over ten years forensic accounting experience covering a variety of sectors and industries including the financial services and non-for profit sectors. Sara holds an LLB (Hons) in Law from the University of Kent.

Zoë is responsible for the delivery, growth and impact of the A4S Academy programme; an18-month programme designed to equip and empower senior finance professionals with the skills needed for their businesses to succeed in the face of environmental and social risks and opportunities. Before joining the Academy team, Zoë held the position of Project Manager for Capital Markets at A4S.

Prior to joining A4S, Zoë worked for a commercial conference and marketing solutions organization as the Head of Insurance. Zoë has a Masters in International Development, Politics & Governance and a BSocSci (Hons) in Politics & International Relations from The University of Manchester.

Mónica is a Senior Manager in the Capital Markets team, working on the European Chapter of the A4S Asset Owners Network to promote awareness and action towards a sustainable financial system. She collaborates with senior representatives of the European pension community to embed sustainability into their investment and strategic decision-making and leads efforts to adapt and expand A4S's ESG tools for the European market.

As the founder of the ESG Summit Europe, Mónica is recognized for aligning business strategies with ESG principles and bridging the gap between sustainability goals and financial decision-making. Her strategic vision and strong relationship-building skills have played a critical role in advancing corporate responsibility and driving action across the financial ecosystem.

Through her work, Mónica supports A4S's mission to transform financial practices and foster systemic change towards a sustainable global economy.

Grace is responsible for the delivery, growth and impact of the A4S Academy programme; an18-month programme designed to equip and empower senior finance professionals with the skills needed for their businesses to succeed in the face of environmental and social risks and opportunities. 

Prior to joining A4S, Grace worked at Pearson managing university partnerships to assess, create and deliver online Masters degrees.  Grace is a PRINCE 2 certified project manager and graduated from the University of Sussex with a BA (HONS) in International Relations and Philosophy.

Jasmine coordinates core operations, including HR, IT, governance and finance. She supports the delivery of our global strategy through impact monitoring and evaluation.

Jasmine has 8 years’ experience leading operations in the nonprofit sector. She has extensive experience managing offices, core team and finances, overseeing projects, grants and key events, as well as tracking and reporting on progress.

She holds a 1st Class BA (Hons) in English with Philosophy from the University of Exeter, and a Graduate Diploma in Law from the University of Law, Bristol.

Jenny is a member of the Knowledge and Technical team at A4S, contributing to developing content for our Knowledge Hub and supporting our education programmes.

Before joining A4S, Jenny held senior roles in finance teams, specializing in charity finance and the financial management of restricted projects. More recently, she also worked for a range of organizations and initiatives as a freelance writer and editor.

Jenny is a chartered accountant and has an LLB in Law from the University of Kent, an MPhil in Management from the University of Cambridge and a PGDip in Public Policy and Management from SOAS.

Warda is our Project Manager for Communications and Content. She supports the team to deliver their work ensuring strategic communication is embedded within projects from the outset.

Warda started her career as a journalist covering international news for Reuters and Channel 4 News. Before joining A4S, she worked in communications for the United Nations Refugee Agency (UNHCR) for seven years, travelling extensively to cover major displacement crises around the world. 

Warda holds an MSc in International Migration and Public Policy from the LSE, a PGDip in Television and Current Affairs Journalism from City University and a BA in Media and Film Studies from The University of Aberystwyth.  

As manager of the CFO Programme, Hannah is responsible for coordinating the global teams and supporting the growth of the programme. Hannah has significant experience of building and managing networks of senior business leaders, having run the Financial Times’ Board Director programme in Asia whilst living in Hong Kong.

Hannah is a qualified Prince2 project manager and holds a BA (Hons) degree in Social Policy from the University of Brighton.

Matthew is our Capital Markets Project Manager supporting the team to deliver their work, embedding sustainability into strategic and investment decisions through the global financial system.

Before joining A4S, Matthew had an international management career spanning almost forty years in six different major industries ranging from Global Private Equity to Defence.

He is a Fellow of the Chartered Management Institute, holds an MBA, an MSc in Entrepreneurial Consulting and is a qualified Prince2 project manager.  

George is the A4S Project Manager for the Asia Pacific Chapter of the CFO Leadership Network, supporting the organization’s strategic efforts in this region.

He has worked in various multinational organizations for the past 14 years in the Project Management and Process Improvement field.

He holds a BSBA in Operations Management, specializing in Lean Six Sigma, minoring in Economics, from The Ohio State University’s Fisher School of Business.

Katharine is part of the Knowledge and Technical team at A4S, focusing on developing content for the Knowledge hub, supporting the delivery of the A4S Academy and contributing to a diverse range of A4S projects.

Previously Katharine has worked in external audit at PricewaterhouseCoopers providing assurance for both private sector and FTSE 100-350 across a number of industries. Katharine is a chartered accountant (ACA) and has a BA(Hons) in Geography from Durham University. She also holds a certificate in Sustainability (ICAEW).

Becky supports the day to day operations of A4S, focusing on people management and development. She works to ensure that A4S maintains a supportive working environment and lives out its values so that A4S and everyone here can flourish.

Prior to joining A4S, Becky worked in various third sector organisations. Most recently she was Managing Director for a social enterprise, specialising in supporting people with disabilities into work.

Becky holds a 1st class BSc (Hons) in Occupational Therapy from the University of Derby.

Andrea is our CRM Champion, with a focus on effective data insight, contact management and marketing, in order to reach our target audience and build engagement within the A4S community.

After graduation she worked for IBM, then moved to Italy where she worked as Operations and Data Manager in the industrial sector for over 20 years.

She later returned to the UK and transitioned into the charity sector, gaining experience with Amnesty International, Oxfam and 5 years as Data Selections and Insights Manager at Guide Dogs for the Blind.

Andrea holds a BSc (Hons) in Mechanical Engineering from Brunel University.

As a Senior Project Officer, Alastair supports the running of A4S’s CFO Leadership Networks in Europe and the US alongside supporting the delivery of several A4S projects including the A4S Sustainability Reporting Project.

Before joining A4S, Alastair worked as a Project Manager in the International Development sector running UN funded social protection projects in developing countries worldwide.

Alastair is a qualified APM project manager and holds an Masters in Public Administration in International Development from the University of York.

Ama supports the coordination and delivery of the events and engagement strategy at A4S.

Prior to joining A4S, Ama worked at the London Stock Exchange Group as the Commercial Events Manager. Here, she was responsible for the development and execution of events for an extensive client list.

Ama has a BA (Hons) in Business Management from Anglia Ruskin University.

Isabella supports marketing and communications activities across A4S, supporting on various projects as well as managing A4S' social media presence, content strategy, and the website.

Prior to joining A4S, Isabella worked as a copywriter and freelance journalist. Isabella has a BA (First Class) in English and American Literature and Sociology from the University of Kent, and an MSc (Merit) in Media, Communications and International Journalism from the University of Glasgow.

Alicia supports events and projects at A4S. She joined A4S in 2021 as an Intern in the Capital Markets team. 

Prior to A4S, she completed a placement year at the Office for National Statistics in the Environmental Accounts team. Alicia holds a BSc (Hons) in Economics from the University of Surrey.

Olivia supports the running of the European Chapter of the Asset Owners Network in the Capital Markets team.

Prior to A4S, Olivia worked in business consulting at EY and in the Research team at an investment advisory firm in New Zealand.

Olivia has a Bachelor of Commerce majoring in Economics and Marketing.

Freddie supports the running of the UK Chapter of the Asset Owners Network and manages A4S's work on embedding sustainability into the bulk annuity process.

Prior to his current role in the Capital Markets team, Freddie was previously an intern at A4S, providing support across all the A4S programmes. Before joining A4S, Freddie studied at the University of Nottingham where he received a 1st Class BA (Hons) in Human Geography and a distinction MSC (Hons) in Management.

Tom works within the CFO Team supporting the running of A4S’s CFO Leadership Networks Commitments Process, alongside other projects.

Prior to joining A4S, Tom worked for a number of non-profit organizations, most recently as Learning Development Officer for the clinical team of a children's hospice organization.

Tom has a BA (Hons) in International Relations from The University of Birmingham and a distinction MSc (Hons) in Political Science from The University of Amsterdam.

Lydia joined A4S whilst completing her masters degree at UCL, London, studying Prosperity, Innovation and Entrepreneurship.

Previously she headed up the New Business, Strategy, and Marketing Department for an international Film Festival, leaving behind a legacy programme focused on the environment and ecology.

She has always had sustainability as a central focus whilst working in fashion, PR, tech start-ups, and more recently assisting in the development of a sustainability strategy for a new F1 team.

James helps coordinate core operations, including IT, operational excellence and alignment across A4S - directly and indirectly supporting the global team to efficiently, effectively and collaboratively deliver their best work.

Prior to joining A4S, James worked as a Project Manager in Financial Services before moving to the nonprofit sector. He led projects supporting the strategic direction for mission and operations related activities. James has a BA (Hons) in Business and Management from Oxford Brookes University.

Lindsay Hackett is an Associate at Accounting for Sustainability Foundation (US) Inc. assisting with relationship management, networking and operations.

Prior to joining A4S, Lindsay worked in the executive search at Korn Ferry and True Search. She also worked as a Client Associate at Third Bridge, an expert network service firm, assisting institutional investor clients fulfill market research needs. Lindsay graduated from Southern Methodist University in Dallas, Texas with a degree in Advertising. Lindsay lives in Los Angeles.

Anton is responsible for providing administrative and technical support for the delivery of the A4S Academy programme.

He has a background in project management and communications from his time working as an Administrative Officer at United Nations Association Youth Platform and as a Marketing Development Specialist at Dedey.

Anton has a Bachelor's Degree in International Economic Relations from The Kyiv National University of Trade and Economics.

Jessica provides support in the organization and delivery of high profile A4S events across our global networks of CFOs, investors and accounting bodies.

Prior to joining A4S, Jessica completed an International Business with Spanish degree at both Nottingham Trent University, and the University of Valencia, and co-led a sustainability student society during her final year of study.

Deborah is responsible for our communication strategy and developing and implementing communications plans that support the project’s work.

Deborah has twenty years’ experience in communications and public relations, most recently with a special focus on communicating initiatives that inspire sustainable practices. Deborah was previously Media Relations Manager at the Institute of Chartered Accountants in England and Wales (ICAEW) where she managed and led the media work on sustainability, CSR, corporate governance and financial services. Deborah has advised the Natural Capital Coalition on communications strategy and currently sits on the NCC Communications Working Group. She has a BA in American History from University of East Anglia and is an Accredited Practitioner of the Chartered Institute of Public Relations.

Charlotte advises A4S management on communications planning, implementation and outreach.

Charlotte has over twenty years’ experience developing high-level multi-lingual communication strategies on sustainability issues within the UN, governments, private sector and civil society. Prior to joining A4S, Charlotte served as Communications Officer for the United Nations Food and Agriculture Organization, where she also served as lead focal point for the organisation in key global task groups and led a number of UN initiatives. She is also a member of the UNESCO International Network of UNESCO Chairs in Communications where she previously served as Board member. Charlotte holds a BA in International Studies and Journalism from American University in Washington, DC USA and has an MA in Mass Communications from Leicester University.

Rachel is the technical advisor to A4S, supporting the effective implementation of A4S projects.

Previously, she was Head of Sustainability at ACCA for 16 years, where she developed ACCA’s sustainability strategy, directed the organization’s sustainability work and vision to help influence the accounting profession and its members more widely, formulated policy in key areas and established the Global Forum on Sustainability. She has extensive experience of developing global reporting frameworks, multi-stakeholder projects and sustainable accounting matters. Rachel is a member of the Queen’s Awards for Enterprise - Sustainable Development judging panel.

She has a Masters Degree (Distinction) in Environmental Technology from Imperial College, specialising in Business.

Helen is a Sustainability and Accounting specialist within the Knowledge and Technical team at A4S, contributing to the A4S content published on our website, and the implementation of the Academy programme.

In her role as a sustainability consultant, Helen has been involved with advising large corporates on the implementation of TCFD, and the quantification of climate-related risks and opportunities. She has also advised on materiality assessments, sustainability strategy and carbon management programmes. Prior to her move to sustainability, Helen worked as a corporate consultant with BDO and Deloitte, focusing on corporate tax strategy.   

Helen is a chartered accountant and chartered tax adviser. She has a PGDIP in Environmental Management and Sustainability from the University of Derby and a BSc in Biology from the University of Swansea.

Natalie is part of the Knowledge and Technical team at A4S, focusing on developing content for the Knowledge Hub and supporting the delivery of the Academy programme, Finance for the Future Awards and Capital Markets programme.

Natalie also completes consultancy work for the Global Ethical Finance Initiative (GEFI) working with financial institutions on topics such as the SDGs, net zero, impact and nature-based solutions. Natalie currently sits on the Social Growth Fund board at Social Investment Scotland, advising on the disbursement of £17m of funding to Scottish social enterprises.

Previously Natalie has worked in corporate finance at EY and project finance at QMPF, specialising in renewable energy projects.

Natalie is a chartered accountant and has a BSc in Mathematics and Chemistry from the University of St Andrews.

Yvette is a technical consultant for A4S in the areas of Knowledge and Technical as well as Education and Learning. Together with this role, Yvette remains as an Adjunct Professor within the Auditing and Research Divisions at the School of Accountancy (Wits University, Johannesburg).

Prior to her role at A4S and Wits, Yvette was in professional practice for several years as a Director within the Governance, Risk and Internal Audit team at PwC joining from PwC’s Sustainability and Integrated Reporting team. In 2018, she was seconded to the International Integrated Reporting Council (IIRC) as a Technical Specialist and is a current working group member on the Integrated Reporting Committee (IRC) of SA.

Yvette serves on several local and global committees in the areas of integrated and sustainability reporting and related matters. She is a technical advisor to the IAASB (International Auditing and Assurance Standards Board), chair of SAICA’s Sustainability Technical Committee (South Africa Institute of Chartered Accountants), a member and past chair of the IRBA’s Sustainability Standing Committee (Independent Regulatory Board for Auditors), and a member of the working group of the Integrated Reporting Committee of South Africa. 

Kathryn works on A4S's Knowledge and Technical projects, drawing on over 10 years of experience in the accounting and sustainability field.

Prior to A4S, Kathryn worked at KPMG as Sustainability and Climate Change Senior Manager, advising companies on their sustainability management processes, compliance with current and upcoming legislation and the robustness of their external reporting.

Clare is the Strategy Consultant for A4S, leading the development of our next collaborative strategy and supporting on other strategic project where necessary.

Clare is an experienced and recognised leader of strategic and sustainable change with a proven track record in enabling charities to deliver collaborative, creative and evidence-led strategy and impact.

She qualified as a chartered accountant in 1992 then, after a Masters Degree in Environmental Technology from Imperial College, helped shape the early business response to sustainability and climate change as a management consultant with PwC. Changing direction after a family loss, Clare led on strategy for a medical charity, playing a key part in it becoming the largest brain tumour charity globally. After delivering a strategy in 2022 co-created with thousands, she has returned to apply her experience in helping to protect our planet and future, while there is still time.