Leadership
Teams
- Business Transformation
- Climate and Nature
- Human Rights
- Inclusive Business
- Responsible Technology
- Collaborations and Partnerships
Region
Margot Brent
Associate Director, Business Transformation
Margot leads BSR’s strategy practice helping companies develop sustainable business strategies that drive innovation and build resilience leveraging insights from BSR’s Sustainable Futures Lab. She also works with BSR members within the consumer sectors practice.
Margot brings over 10 years’ experience in sustainability, futures thinking, design-thinking, innovation management and communications. Prior to BSR, Margot was an innovation and sustainability manager within the fashion and retail sourcing industry. She has also helped design and deliver climate resilience projects for UNEP and UNDP. She has extensive experience in sustainability topics ranging from climate justice, climate resilience, circularity, supply chain, women’s empowerment, nature-based solutions, community livelihoods and social impact. She has lived and worked across Africa, Asia Pacific and Europe.
She holds a B.A. in Politics, Philosophy, and Economics and a B.Phil in Sustainable Development, both from the University of Stellenbosch.
Recent Insights From Margot Brent
- How Foresight Can Enhance Strategic Resilience in a Time of Turbulence / July 10, 2025 / Blog
- Material, but Not Always Strategic: Why the Difference Matters / June 26, 2025 / Blog
- Sustainability Goal Setting: A New Chapter / January 21, 2025 / Insights+
- Sustainability Strategy in the Age of Regulation: Don’t Lose the Plot / October 3, 2024 / Blog
- Between Two Worlds: Sustainable Business in the Turbulent Transition / September 19, 2024 / Reports
Raluca Bumboiu
Manager, Business Transformation
Raluca works with BSR member companies across various industries on sustainability management projects, with a focus on the financial services industry. She also supports the Healthcare Working Group collaborative initiative.
Prior to joining BSR, Raluca was a Production Manager at Vigeo Eiris (part of Moody’s ESG Solutions), a socially responsible investment rating agency. She focused on evaluating the positive contribution of public companies’ commercial activities to sustainable development.
Raluca holds a MA in Environmental Policy from Sciences Po Paris and a BA in International Relations from the University of Bucharest. She speaks English, Romanian, and French.
Recent Insights From Raluca Bumboiu
- Healthcare Working Group: Driving Change for over Two Decades / February 1, 2023 / Blog
- Navigating Emerging Ethical Issues: Lessons from Bioethics, Tech, and Human Rights / April 19, 2022 / Blog
- Unlocking Opportunities in Access to Healthcare / March 3, 2022 / Blog
Christine Diamente
Managing Director, Business Transformation
Christine leads BSR’s Business Transformation team, helping companies to manage sustainability throughout their business and across their supply chains and to develop resilient business strategies that leverage insights from BSR’s Sustainable Futures Lab.
She works with companies across sectors and geographies to structure a sustainability management approach that mitigates risk and captures emerging opportunities, creating strategic advantage for their businesses, while contributing to a more just, sustainable world. Christine also co-leads engagement with boards of directors to promote effective board governance and leadership ambition on sustainability.
She brings over 20 years of experience in leading brand, sustainability, public affairs, communications, and reputation management with multinational corporations at the executive leadership level. This also includes overseeing corporate relations with external stakeholders, such as the World Economic Forum, the UN, European institutions, and investors.
Previously, Christine was Head of Brand Strategy at Nokia. She has also held major roles at Alcatel-Lucent and Alcatel, leading Brand and Corporate Sustainability and European Affairs. Christine has also served on various boards, including as a chair of the Telecoms Industry Dialogue on human rights, as an advisory board member of Reuters Events Sustainability, as a member of the Alcatel-Lucent Foundation, and on the European Internet Foundation.
Christine holds a MA in History and a BA in History and International Politics from the University of Ottawa. She completed the Management Acceleration Program (MAP) at INSEAD, and she achieved the ESG Competent Boards Certificate and Global Competent Boards Designation (2021). She speaks English, French, Spanish, and Italian.
Recent Insights From Christine Diamente
- Safeguarding Human Rights in High-Risk and Conflict-Affected Areas / April 14, 2026 / Audio
- ESRS Revisions Mark a Turning Point Toward Principle-Based Reporting, With Open Questions / September 23, 2025 / Insights+
- Ten Lessons on Developing Effective Sustainability Strategies / August 5, 2025 / Blog
- Beyond the Business Case Debate: Reasserting the Strategic Value of Sustainability / July 30, 2025 / Insights+
- EU Omnibus: It’s Time to Shift Focus from Compliance to Impact / March 10, 2025 / Insights+
Nina Hatch
Associate Director, Business Transformation
Nina works with BSR member companies across industries on business transformation projects, such as double materiality, business strategy, and goal setting. She has expertise in stakeholder engagement and integrating sustainability across the value chain. Additionally, Nina works with members on climate topics, including climate scenarios, climate risk, TCFD, climate transition plans, and net zero decarbonization.
Nina joined BSR in 2019 and has worked across all industries, with a specific focus on working with energy and industrials companies.
Prior to joining BSR, Nina worked with a mission-driven consumer products company that makes menstrual products for women. There, she helped to create a long-term strategy to establish its leadership in sustainability, social impact, and health. In her early career, Nina worked at an environmental health advocacy firm in Maine and collaborated with industry leaders to remove harmful chemicals from food products. She also worked at a landscape architecture firm, promoting climate resilience through parks in New York City.
Nina holds a Master of Environmental Management from the Yale School of the Environment, a Master of Public Health in Environmental Health Sciences from the Yale School of Public Health, and a BA in Environmental Policy from Colby College.
Recent Insights From Nina Hatch
- Decarbonization Lever Library: Mapped Sectoral Transition Pathways / November 4, 2025 / Reports
- Extreme Heat, Floods, and Supply Chain Shocks: How to Future-Proof Your Manufacturing Operations / June 11, 2025 / Blog
- 1.5°C Targets: The Business Case for a Climate Transition Plan / May 30, 2024 / Blog
- The Case for SEC-Mandated Climate and ESG Disclosure / June 17, 2021 / Blog
- Five Steps to Good Sustainability Reporting / November 18, 2020 / Reports
Hansika Iyer
Manager, Business Transformation
Hansika works with BSR consumer product member companies on sustainability management projects.
Prior to joining BSR, Hansika managed apparel material and product development at Reebok. She also advised the senior leadership team on sustainability strategy and developed an internal sustainability education program. She has an extensive background in sustainable fashion, including designing a zero waste activewear collection, researching regenerative textile solutions, speaking at the Copenhagen Fashion Summit on achieving gender equality in the fashion industry, and consulting for a nonprofit supporting artisan communities in South America.
Hansika has a BS in Fiber Science and Apparel Design with a minor in Sustainability Sciences from Cornell University. She speaks English, Tamil, French, and Spanish.
David Korngold
Managing Director
David partners with corporate boards, executives, and investors to develop high-impact sustainability strategies. As part of BSR’s Transformation team, he co-leads engagement with boards of directors to promote effective board governance and leadership ambition on sustainability.
Having previously led BSR's Financial Services team, David continues to work closely with financial companies on sustainability, ESG integration, and impact investing. David has led engagements in nearly all of BSR’s focus areas and major industry groups. This includes leading climate scenarios workshops with boards, creating net-zero road maps for investment firms, designing and operationalizing a leading impact investing fund, conducting materiality assessments, undertaking human rights impact assessments, and co-authoring research on topics like ESG for emerging public companies and responsible investment policies for private equity firms.
Before joining BSR, David worked in strategy and management consulting at Bain & Company.
David holds a BA in History from Amherst College.
Recent Insights From David Korngold
- Business Value of Sustainability: Trajectory and Strategies / February 12, 2026 / Reports
- Redesigning Sustainable Business Amid Global Realignment / February 3, 2026 / Reports
- Beyond the Business Case Debate: Reasserting the Strategic Value of Sustainability / July 30, 2025 / Insights+
- Board Oversight Amid Uncertainty: Doubling Down on Strategic Sustainability / April 30, 2025 / Blog
- CSOs Are All Business: The Role of the CSO in a New Context / January 9, 2025 / Blog
Margot Lorphelin
Associate, Business Transformation
Margot supports BSR’s Consumer Sectors team, with a particular focus on luxury and fashion companies. She also helps lead the Responsible Luxury Initiative (ReLI), building on her prior involvement with the project.
Since joining BSR as an intern with the Consumer Sectors and Transformation team, she has contributed to projects on supply chain sustainability, human rights, and corporate strategy. Margot brings expertise at the intersection of business strategy and sustainability, helping bridge the gap between corporate decision-makers and sustainability practitioners.
Before BSR, Margot worked for two years in sustainable venture capital in Paris and Montreal, serving as an Investment Analyst to identify and support high-impact startups. She holds an MS in Transformative Sustainability from Bocconi University and Politecnico di Milano and a BA in Strategic Management and Anthropology from McGill University.
Margot is fluent in English and French and speaks intermediate Italian.
Recent Insights From Margot Lorphelin
- Business Value of Sustainability: Trajectory and Strategies / February 12, 2026 / Reports
Miyako Nishimura
Manager, Business Transformation
As part of the Transformation team, Miyako supports BSR member companies on a wide range of sustainability topics across Japan and the Asia-Pacific region.
With over 15 years of experience as a researcher and consultant, including more than a decade in sustainable investment, she brings deep expertise in ESG assessment and benchmarking, sustainable finance and investment, climate and nature risk analysis, board advisory, capacity building, and sustainability reporting. Before joining BSR, Miyako held key roles such as Global Sustainability Reporting Lead at Nikko Asset Management, Sustainability Manager at EY Singapore supporting financial institutions across APAC, and APAC Regional Lead for ESG Research & Client Engagement at FTSE Russell.
Miyako holds a BA in Intercultural Communication from Ryukoku University, along with several sustainable finance-related certifications, including CFA ESG Investing and CISL Sustainable Finance.
Sophie Tripier
Associate Director, Business Transformation
Sophie leads BSR’s work on sustainability reporting and disclosure, advising companies on mandatory and voluntary standards, reporting strategy, governance, processes, and the interpretation and implementation of regulatory disclosure requirements. She supports companies in navigating an increasingly complex reporting landscape, strengthening their reporting practices, and connecting disclosure with broader sustainability and business priorities.
Sophie also leads BSR’s Future of Reporting collaborative initiative, helping companies understand and navigate global and local reporting developments, exchange practical insights, and advance effective and decision-useful reporting practices.
She brings operational experience as an in-house sustainability specialist across hospitality, corporate services, logistics, and manufacturing in Mauritius. Additionally, she worked at EcoVadis, focusing on sustainability analysis and supply chain ratings.
Sophie holds a Master’s in EU Law, an MSc in Environmental Science, and a BSc in Anthropology and Environmental Management from the University of Western Australia.
Sophie speaks English and French.
Recent Insights From Sophie Tripier
- ESRS Revisions Mark a Turning Point Toward Principle-Based Reporting, With Open Questions / September 23, 2025 / Insights+
- EU Omnibus: It’s Time to Shift Focus from Compliance to Impact / March 10, 2025 / Insights+
Nine Weijenborg
Associate Director, Business Transformation
Nine leads BSR’s double materiality practice, working closely with companies to translate regulatory requirements and stakeholder expectations into clear, decision-useful outcomes.
She supports organizations across sectors on sustainability strategy development, including goal-setting, governance, and integration into core business processes, with a particular focus on financial services. Her work helps companies prioritize the most significant sustainability risks and opportunities and connect strategy, reporting, and implementation in a practical and credible way.
Prior to joining BSR, Nine worked in PwC’s sustainability services practice, advising multinational companies on sustainability strategies and performance. Her experience includes supporting organizations in integrating the Sustainable Development Goals into business strategy, as well as auditing social and environmental data. Nine is a One Young World ambassador and brings a strong analytical and collaborative approach to advancing impactful and accountable sustainability practices.
Nine holds an M.Sc. in Food Safety Law from Wageningen University and an L.L.M. in Law from the University of Amsterdam. She wrote her master’s thesis at the University of Cape Town, focusing on food innovations for local farmers.
Recent Insights From Nine Weijenborg
- ESRS Revisions Mark a Turning Point Toward Principle-Based Reporting, With Open Questions / September 23, 2025 / Insights+
- Ten Lessons on Developing Effective Sustainability Strategies / August 5, 2025 / Blog
- How Foresight Can Enhance Strategic Resilience in a Time of Turbulence / July 10, 2025 / Blog
- Material, but Not Always Strategic: Why the Difference Matters / June 26, 2025 / Blog
- The Impact of Mandatory Sustainability Reporting on Corporate Functions / September 11, 2024 / Blog