B20 South Africa 2025 Summit Speakers

Voices Shaping Global Business Dialogue

The B20 South Africa Summit 2025 convenes a diverse line-up of global and African leaders representing business, government, and international organisations.

These speakers embody the Presidency’s commitment to inclusive growth, innovation, and shared prosperity through global cooperation. Each voice brings unique insight into the challenges and opportunities shaping the global economy from digital transformation and sustainable finance to trade, energy, and climate action.

Together, these voices represent a historic moment for South Africa and the African continent: a Presidency Led from Africa. Shared with the World.

Featured Keynote Speakers

Defining the conversations that shape global cooperation

Alice Ruhweza

President, AGRA (Alliance for a Green Revolution in Africa)

Alice Ruhweza

Alice Ruhweza oversees AGRA’s efforts to drive inclusive agricultural transformation across Africa. Her work focuses on strengthening food systems, empowering farmers, and promoting sustainable agricultural practices that support regional food security.

Charles Johnston

Managing Director, Citi Global Government Affairs

Charles Johnston

Charles (Rick) Johnston is the Managing Director of Citi Global Government Affairs, responsible for geopolitical analysis, issue advocacy, and management of Citi’s relationships with governments and political figures worldwide.

Constanza Negri

B20 Brazil Sherpa 

Constanza Negri

Constanza Negri brings over 15 years of private sector experience in public policy and government relations. She currently oversees the Trade and International Integration area at CNI and previously the B20 Sherpa Brazil.

Emily Rees

President & CEO, CropLife International

Emily Rees

Emily Rees leads CropLife International’s global advocacy for sustainable agriculture and innovation in crop protection. Her experience bridges trade policy and agri-tech, helping shape inclusive solutions for global food security.

Emmanuel Faber

Chair, International Sustainability Standards Board (ISSB)

Emmanuel Faber

Former CEO & Chairman of Danone, Emmanuel Faber leads the ISSB’s mission to establish a global baseline for sustainability disclosures. His work has been instrumental in aligning business transparency with environmental and social accountability worldwide.

Fred Swaniker

Founder & CEO. Sand Technologies

Fred Swaniker

Fred Swaniker is the Founder & CEO of Sand Technologies, a global AI company developing large-scale solutions to address humanity’s most pressing challenges, including climate action, health, energy, and connectivity for billions worldwide.

Jacqueline Mugo

Executive Director & CEO,  Federation of Kenya Employers

Jacqueline Mugo

Ms. Jacqueline Mugo, EBS is the Executive Director & CEO of the Federation of Kenya Employers. A lawyer by profession and advocate of the High Court of Kenya, she has rich experience in employment law, labour relations, strategic leadership, human resource, management, and governance, among others.

Jennifer Zabasajja

Chief Africa Correspondent and Anchor, Bloomberg Television

Jennifer Zabasajja

Jennifer Zabasajja is Bloomberg Television’s Chief Africa Correspondent and Anchor, based in Johannesburg. She leads high-impact coverage across the African continent and regularly contributes to and co-hosts the daily “Horizons: Middle East and Africa” program, reporting on a wide range of topics, from business and finance to politics and innovation.

John W.H. Denton

Secretary General, International Chamber of Commerce (ICC)

John W.H. Denton

John W.H. Denton AO is the Secretary General of the International Chamber of Commerce (ICC). He is a global business leader and international advisor on policy and a legal expert on international trade and investment.

Mary Vilakazi

CEO, FirstRand Group

Mary Vilakazi

Mary is the CEO of FirstRand Group. She joined as Executive Director in 2018, serving as Group COO, where she led FirstRand’s diversification strategies across insurance and investment management.

Dr Morena Makhoana

CEO, Biovac

Dr Morena Makhoana

As CEO of Biovac, Dr Makhoana has been central to advancing Africa’s vaccine manufacturing capabilities and healthcare innovation. His leadership helps position Africa as a growing force in global health security and biotechnology.

Sabine Dall’Omo

CEO, Siemens Sub-Saharan Africa

Sabine Dall’Omo

Sabine Dall’Omo leads Siemens’ operations across Sub-Saharan Africa, advancing industrial innovation and infrastructure development. She continues to champion digital transformation and partnerships that power Africa’s next phase of industrial growth.

Samalia Zubairu

President & CEO, Africa Finance Corporation

Samalia Zubairu

President & CEO of the Africa Finance Corporation, leading transformative infrastructure investment across the continent. He also co-chairs key global and G20 platforms on finance, infrastructure, and clean energy, shaping Africa’s role in the global economy.

Sim Tshabalala

CEO, Standard Bank Group

Sim Tshabalala

As CEO of one of Africa’s largest banks, Sim Tshabalala plays a pivotal role in expanding financial inclusion, trade connectivity, and sustainable investment across the continent. His leadership exemplifies Africa’s growing influence in global finance.

Simon Baloyi

President and Chief Executive Officer, Sasol Limited

Simon Baloyi

Simon Baloyi is the President and Chief Executive Officer of Sasol Limited since April 2024. With over 20 years at Sasol, he has held diverse management positions across maintenance, projects, and general management, including Executive Vice President for Energy Operations and Technology.

Suzanne Clark

President and CEO, U.S. Chamber of Commerce

Suzanne Clark

Suzanne Clark, President and CEO of the U.S. Chamber of Commerce, delivers the keynote marking the official transition of the B20 Presidency from South Africa to the United States.

More Speakers Coming Soon

Additional speakers and session chairs will be announced as the Summit approaches.
Check back soon for updates and the full programme schedule.