GSSB members

The 15 members of the GSSB represent diverse sectors, backgrounds and regions around the world. Their range of technical expertise, diversity of experience, and multi-stakeholder perspective support and strengthen the development of the GRI Standards. 

The Board's gratitude goes to Judy Kuszewski, Robyn Leeson, Evan Harvey, Kenton Swift and Michel Washer for their years of valuable input to the work of the GSSB

Carol Adams PhD CA FAICD

Professor of Accounting
Durham University Business School, UK
Chair of the GSSB

Carol is a Chartered Accountant and a Professor of Accounting at Durham University Business School.  Her research is concerned with the role of accounting and reporting in the relationships between business, society and the environment. She has led the development of sustainability reports and advised on sustainability and integrated reporting to major organisations. Recent policy work has included advising the UNDP on its SDG Impact Standards and CIPFA on public sector sustainability reporting.

Carol has sought to advance practice and policy with respect to integrating sustainability considerations into organisations through applied research, leadership roles, advisory work and educating the next generation of business leaders.


Jeff Roberson P.Eng., EP

Director, Environment & Sustainability, Bimbo Canada,  Canada
Vice-chair of the GSSB

Jeff brings 15 years of sustainability experience leading teams in industry, public sector and consulting organizations. He has advised dozens of global organizations on sustainability strategy across finance, telecom, manufacturing, utilities, retail, institutional, and other sectors. Jeff brings technical expertise in sustainability reporting, sustainability strategy, enterprise risk management, operations management, climate change mitigation, and climate risk assessment. Currently, Jeff oversees all environmental matters for Bimbo Canada (Canada’s largest bakery company) including hundreds of facilities and over $1B in annual revenue.

Jeff’s work has been honoured with several awards, including recognition for projects in climate change mitigation and sustainable packaging.  Jeff has also written for multiple industry publications and delivered speaking engagements at domestic & international conferences. Jeff holds an Honours degree in Civil Engineering from the University of Waterloo, is a certified Environmental Professional, and is a licensed Professional Engineer.


Loredana Carta

Project Officer, International Trade Union Confederation, Belgium
Constituency: Labor

Loredana works with the Legal Department of the International Trade Union Confederation (ITUC), where she contributes to the development of international strategies to promote and advance workers’ rights, supports national trade unions to enforce compliance with labour standards and advises civil society organisations on human and trade union rights advocacy efforts.

Loredana worked for several years as a legal expert at the International Labour Organization (ILO) on human and labour rights issues, including with the Committee of Experts on the Application of Conventions and Recommendations and with the ILO Ethics Office. Loredana holds a Masters in International Labour Law from the University of Strasbourg.


Peter Colley

National Research Director Construction, Forestry, Maritime, Mining and Energy Union, Australia
Constituency: Labor


Peter has over 30 years experience with Australian and global unions in research and advisory roles around economic policy, trade, investment, taxation and the environment. Active in climate change policy since the early 1990s, his involvement in sustainability reporting began over concerns about the accuracy and reliability of human rights and labour practices reporting.

Peter was nominated by Global Unions to the GRI’s Stakeholder Council from 2011 to 2017. He has represented Australian unions on the Australian pilot and implementation phases of the global Extractive Industries Transparency Initiative. He has provided expert opinion to the Responsible Mining Index and the Initiative for Responsible Mining Assurance. Peter holds a Masters in Economics from the University of Sydney.


Giulia Genuardi

Head of Sustainability Planning and Performance Management, Enel, Italy
Constituency: Business Enterprise

Giulia has, since 2003, specialised in internal audit activities with Enel, where she now has responsibility for embedding ESG issues into business management. She is also responsible for ESG ratings and indices, promoting accountability and transparency through leading sustainability reporting and managing human rights policy and due diligence.

She was previously a member of the European Lab Project Task Force on Climate (EFRAG) and is a member of the European Lab Project Task Force on preparatory work for the elaboration of possible EU non-financial reporting standards. She is Professor of Corporate Social Responsibility at LUMSA, Libera Università degli Studi Maria Ss. Assunta Rome, and holds a degree in Economics and Commerce from the University of Palermo, as well as a masters in Administration, Finance and Control from the Luiss Management.


Ir. Vincent Kong

Project Manager - Sustainability,
Sun Hung Kai Properties Limited, Hong Kong
Constituency: Business Enterprise

Vincent has over two decades of experience in the built environment with a leading role in policy and strategy development, corporate and supply chain sustainability, ESG and related international standards-setting, sustainability disclosures, auditing, accreditation and certification management. He has served as a director of the Hong Kong Green Building Council and a member of the Green Building Faculty, the Steering Committee for Climate Change Business Forum, the Communications and Membership, and the ESG Advisory Group for the Business Environment Council.

Vincent is a chartered engineer, a BEAM professional, a member of the Association of Energy Engineers, and a fellow of the Hong Kong Institution of Certified Auditors. He has dual Master's degrees in engineering and theological studies from the University of Toronto and Regent College, Canada.


Joseph Martin

Markets Leader - ESG Platform
PricewaterhouseCoopers Pvt Ltd
Constituency: Business Enterprise

Joseph has 12+ years of wide ranging sustainability consulting experience and over two decades of industrial and consulting experience in multiple sectors in emerging markets. In his current role with PricewaterhouseCoopers, he is helping government, corporates, investors and regulators to enable corporate value growth through strategic ESG. Joseph was a visiting faculty in leading business schools in India on business transformation and circular business innovation. He is founder of RICE (Responsible Inspirational Creative Emotional) Leadership program for teenagers to develop future leaders.


Anna Nefedova

ESG Reporting Leader, Deloitte
Constituency: Mediating Institution

Anna is responsible for Deloitte’s global sustainability reporting. She leads a number of ESG reporting processes and goal setting efforts for the organization’s environmental strategy, and serves as a technical expert on the topic of greenhouse gas reporting. Anna also drives efforts to align sustainability reporting with material impacts for Deloitte’s stakeholders and manage the organization’s responses to various ESG ratings.

Anna spent 13+ years in the sustainability field at Deloitte, eight of which were focused on helping Deloitte’s clients develop sustainability strategies. She was seconded to GRI to help develop G4 guidelines, and assisted Global Impact Investing Network in the development of their framework. In 2019 Anna became responsible for Deloitte’s internal sustainability in the US, to later focus on sustainability reporting globally.


Deborah Ng

Head of ESG and Sustainability, GMO LLC
Constituency: Investment Institution

Deborah Ng is the Head of ESG and Sustainability at GMO. Prior to joining GMO in 2022, she was the Head of Responsible Investing at Ontario Teachers’ Pension Plan (OTPP), where she spent more than 18 years. At OTPP, Ms. Ng developed and led the Plan’s Responsible Investing Strategy and climate change initiatives, and was responsible for key deliverables, including thought leadership, integration, and corporate engagement. Previously at OTPP, Ms. Ng was part of OTPP’s Strategy & Asset Mix team, where she focused on the research, evaluation, and introduction of asset allocation strategies. Ms. Ng currently sits on the Investment Committee of the United Church Pension Plan and is a past board member of the Global Real Estate Sustainability Benchmark (GRESB). Ms. Ng earned her Bachelor of Commerce and Master of Finance from the University of Toronto. She is a CFA charterholder.


Jennifer Princing

Sustainability Disclosures and Reporting Manager, DuPont
Constituency: Business Enterprise

Jennifer is responsible for sustainability disclosures and reporting at DuPont.  She has been a sustainability professional for 13+ years with prior roles at Dow and Dow Corning.  In her reporting roles, she has implemented reporting to the GRI Standards as well as other frameworks including SASB, TCFD, CDP and others.  She has partnered with investor relations colleagues to drive productive engagements with ESG ratings organizations and with commercial team colleagues to support the sustainability objectives of customers.

In addition to her expertise in sustainability reporting, she has experience as a life cycle assessment practitioner, supporting business objectives with quantitative environmental assessments and Environmental Product Declarations.  Jennifer holds a degree in Chemical Engineering from the University of Michigan.


Corli le Roux

Independent Specialist, South Africa
Constituency: Mediating Institution

Corli has over 20 years’ experience in capital markets. She led the Johannesburg Stock Exchange’s sustainability function for 16 years, working to influence corporate and investor behaviour on sustainability and reporting. This included managing the exchange’s pioneering Socially Responsible Investment Index and chairing the World Federation of Exchanges Sustainability Working Group. Since late 2017 she has been working as an independent sustainability specialist focusing on analysis, research and strategy development. She currently consults largely to the UN Sustainable Stock Exchanges initiative.

Corli holds BA LL.B. degrees and carries the Certified Director (Cert.Dir)® designation conferred by the Institute of Directors in South Africa. She is a non-executive director of the Integrated Reporting Committee of South Africa (of which she is an honorary member), serves on the judging panel for the Chartered Governance Institute of Southern Africa’s Integrated Reporting Awards and has been a finalist for CEO magazine’s South Africa’s Most Influential Women in Business and Government.



Dr. Kim Schumacher 

Senior Research Fellow and Lecturer,
Tokyo Institute of Technology, Japan
Constituency: Civil Society Organization

Kim’s research and teaching focuses on ESG data and impact metrics, sustainable finance frameworks, green bonds, natural capital valuation, ecosystem services, renewable energy project development, and TCFD disclosure. In addition, he is an Honorary Research Associate at the School of Geography and the Environment, University of Oxford, and an Adjunct Lecturer in Sustainable Finance at the University of Luxembourg. Previously, he worked as a consultant for the Luxembourg Ministry of the Environment, Climate and Sustainable Development and as a postdoctoral researcher at the University of Oxford.

Kim sits on the ISO Technical Committees on Sustainable Finance and Environmental Management and is on the Technical Working Groups of the Climate Disclosure Standards Board, the Climate Bonds Initiative and the Green Finance Network Japan. He is a Chartered Environmentalist and holds a PhD in Environmental Science from the University of Tokyo a and Masters in Environmental Law and Policy from UC Berkeley.





Gangaa Charan Sharma

International Consultant-Sustainability and Verification
Constituency: Business Enterprise

With over 25 years’ experience in leadership roles across multiple sectors and geographies, Gangaa C Sharma served as Vice President – India Middle East & Africa region at TUV Rheinland, overseeing the development and execution of business plans and supply chain and CSR audits.

He has conducted more than 2800 audits in over 15 countries, including India, China, and Qatar. A recognized speaker in the TIC sector, Gangaa has been included in the ‘100 Most Impactful CSR Leaders’ global list and recognized as a Global Sustainability Expert by the Aluminium Stewardship Initiative. He was also nominated to sit on the Board of Directors at the Sustainability Apparel Coalition.



Chulendra de Silva

Founding Partner and Owner, InterBalance Consulting, Sri Lanka
Constituency: Mediating Institution

Chulendra is the Co-Founder of InterBalance, a consultancy company providing Sustainability and Risk Management solutions to corporate clientele. Chulendra also acts as the Sustainability Consultant and Country Representative for Goodera, a Sustainability Software provider headquartered in Bangalore India and Menlo Park, California. Chulendra has over 19 years of experience in Financial Analysis, Business Process Management, Enterprise Risk Management and Sustainability, and was instrumental in entrenching Sustainability and Risk Management processes within organizations of various industry groups.

Chulendra holds a first class honours degree in Science from the University of Colombo, an MBA from the University of Southern Queensland, was an Associate Member of the Chartered Institute of Management Accountants (UK) from 2006 to 2017, and was a Chartered Financial Analysts (CFA) Charterholder (USA) from 2006 to 2020.He is also a certified Sustainability Practitioner and Sustainability Assurance Practitioner, and a certified lead auditor for ISO 14001:2015 Environmental Management Systems.




Galya Tsonkova

Corporate Sustainability Policy and Reporting Manager, Coca Cola HBC AG, Bulgaria
Constituency: Business Enterprise


Galya leads Sustainability governance, reporting and policies in Coca-Cola HBC AG, and she is also responsible for ESG ratings, benchmarks and indices.

She has 13+ years professional experience in sustainability strategies, ESG reporting, ESG goal setting, GHG accounting, environmental sustainability, quality, occupational health and safety, and 10+ years manufacturing experience. She was selected as the first woman to chair the Coca-Cola System’s Global Environmental Council.

Prior to Coca-Cola HBC she worked for Nestle.

She holds a master degree from the University of Food Technology (Bulgaria) and post-graduate programmes in IMD Lausanne and the Open University UK.


Further questions?

Browse frequently asked questions on the work of the GSSB