Nadine has over 15 years of experience devising strategies and programs that translate some of the world’s most complex policy issues for a global audience. She discovered her passion for foreign policy and social justice issues in the post-9/11 era at the ACLU. Since then, she has worked at the intersection of media and policy for institutions such as PBS, the Council on Foreign Relations, and Chicago Ideas—where she was COO. Nadine resides in Brooklyn with her husband and two kids.

Charlotte shapes The B Team's development priorities and works to deepen the engagement of our partners and donors, including our foundation partners and Leader teams. She also oversees our learning practice and is helping shape a culture of learning and reflection across the organization. Charlotte is passionate about social justice and has worked to foster cross-sector partnerships and solutions to global challenges over the past 15 years—in roles focussed on private sector engagement and activation, global health and development, disability services and political engagement. Charlotte is from New Zealand, but currently lives in New York City with her family.

Rupal serves as Chief of Staff at The B Team where she works closely and effectively with the CEO and team to drive strategic initiatives, streamline operations, and foster a culture of collaboration. Rupal develops and maintains strong relationships with Leader teams, enabling smooth communication and alignment on organizational priorities. Rupal’s ACA qualification and commercial finance experience has provided a solid understanding of the inner-workings of business and the primacy of profit. Her deep-rooted belief, that business is part of the solution for an inclusive economy, led her to On Purpose, where she first crossed paths with The B Team. Based in the UK, she enjoys discovering coffee shops, long walks and spending quality time with her family.

Holly maximizes the impact of the Leaders and Leader teams (Worker Bs) by mobilising the communities around critical advocacy opportunities and influencing moments. Advising on both our campaigns strategy and key stakeholder communities, she collaborates across the team to ensure our work on climate, nature, ESG, human rights and DEI is aligned and effective. Based in London and hailing from Aotearoa (New Zealand), Holly's background in human rights spans gender policy, worker protection and refugee support.

Elisa supports the private sector in their sustainability leadership journeys to raise ambition and implement action to achieve a just, net-zero, nature positive future. Elisa, who started her career at Amnesty International in Mexico, has over 10 years of experience as a sustainability professional. She has worked in the energy sector across areas including business & human rights, just transition, supply chain management, ESG reporting, corporate strategy and communications.  Born in Norway and “grown” in Mexico, Elisa has lived in many countries but is currently located in Berlin where you may find her doing yoga, reading, knitting and exploring the city.

In her role, Ugochi contributes to The B Team’s community building and development efforts by identifying strategic partners that can support our mission. She also drives our internal learning practice, working across teams to ensure we better understand and are clearly communicating our contribution to change. Ugochi brings extensive experience in international development, spanning communications, project management, and learning, where she spent over 8 years working on anti-corruption initiatives and producing socially conscious short films. She resides in the UK with her husband and two kids.

Paul leads the design and development of The B Team’s internal systems, strengthening how data, insight, and evidence support strategy and decision-making. He works across AI; Monitoring, Evaluation and Learning (MEL); and fundraising to build integrated tools, dashboards, and workflows that turn complex qualitative and quantitative information into trusted, usable intelligence. Prior to The B Team, Paul worked in research, analysis, and operational roles focused on social impact and systems improvement, including in education and energy.

Gavin maximizes the footprint and influence of our communications outputs by ensuring alignment and fulfillment of campaign and advocacy goals. He collaborates across the team to evolve The B Team's online audiences beyond the usual echo-chambers, building internal and external relationships with influencers and journalists, and leveraging various social and traditional media platforms. Gavin has over 10 years of communications and campaign experience in the human rights space, including at The Elders, Freedom from Torture and Amnesty International. He lives in Derbyshire with his partner and their dog, Roxi.

Zoe is an experienced communications professional with a background in editorial and project management roles and a keen eye for design and brand. Prior to The B Team, she led the communications and member strategy for a non-profit member organization supporting and encouraging Non-Executive Directors and Chairs to lead on climate from their boardrooms. Zoe has also worked at an environmental investment fund, business development company and started her career in a creative agency working closely with a range of clients including National Grid, Barclaycard and Volkswagen Group. Considering the human side of business has been a common thread throughout her career.

Ruth joined The B Team in 2015 to drive business engagement around the Paris Climate Agreement. She served as the organization's Chief of Staff before becoming Chief Collaboration and Communications Officer in 2024. Ruth works closely with our CEO, our Leaders and across key partners to develop and deliver the communications and engagement strategy. A stakeholder relations professional with 20 years experience, Ruth previously led Climate Week NYC, working with global business, government and thought leaders including John Kerry, Tim Cook and Tony Blair. Prior to this Ruth was a co-founding director of a communications agency. She is based in London.

Sierra shapes the organization’s Human Rights agenda, and drives a people-centric focus across broader sustainability and ESG work. She brings expertise in global policy and international affairs from her work at the International Chamber of Commerce, as well as a passion for business sustainability developed during work at the World Cocoa Foundation and TEDxStAndrews. A native Californian with English roots, Sierra resides in Paris and is an advocate for progressive business leadership that embraces long-term economic growth.

Ewan also leads The B Team’s efforts to mainstream responsible corporate tax practice, reform fiscal incentives, and promote corporate transparency and disclosure. He joined The B Team in 2019 from ActionAid, where he was Head of Corporate Partnerships. He began his career as a political adviser in the UK Parliament, and has worked in a variety of roles across the private, public and third sectors - most often at the intersection of the three. Ewan resides in Edinburgh, UK, with his wife and daughter

Esha designs and implements our advocacy strategy, including business and policy advocacy. She collaborates with the team to expand and mobilize The B Team's influence to drive a better way of doing business for the wellbeing of people and the planet. She also deepens our relationship with company, civil society and organizational partners, including B Team company partners

Esha has over 12 years of experience in the inclusive economy space, including at the Council for Inclusive Capitalism and Acumen. She is currently based in New York.

Leah Seligmann is a seasoned sustainability leader who has spent her career working with CEOs and global leaders to catalyze a just, sustainable future. Leah currently serves as Chief Change Catalyst & CEO of The B Team. With nearly a decade of dedicated service to the organization, Leah has been instrumental in shaping and supporting The B Team's agenda, working closely with B Team Leaders to amplify their impact on the global stage. Leah began her journey with The B Team by leading the collective's work on climate and just transition.

Leah's belief that business can play a pivotal role in unlocking sustainability was honed during her tenure as the Chief Sustainability Officer for NRG Energy, a Fortune 200 energy company. Under her leadership, NRG was the first power producer to set a science based target and was featured on NASDAQ Global Sustainability Index's top 100 companies. Prior to NRG, Leah was a consultant at Blu Skye Consulting, advising major companies such as Alcoa, Walmart, Staples and Microsoft on how to integrate sustainability into their business strategies. Her experience spans various industries and initiatives including energy, agriculture, carbon management, supply chain transparency, employee engagement, merchandising and retail. Leah lives in Northern California and is happiest on a river or when she is spending time in nature with her husband and two boys.

Since joining The B Team in 2013, Kate has held various central and programmatic roles before carving out her niche in finance and operations. Kate safeguards the organization’s financial and operational sustainability while streamlining internal processes. In her capacity as Company Secretary, Kate implements governance structures, leveraging her background in professional services at PwC. Kate has lived worldwide, including London, the US, Canada, Tanzania and New Zealand, before settling near the Peak District in the UK.