Dr. Babatunde Osotimehin is executive director of the U.N. Population Fund since January 2011. A renowned physician and public health expert, he was previously Nigerian minister of health and director-general of the country’s agency on AIDS. At UNFPA, Babatunde supervises efforts to promote the rights and ability of young people to build a better world in the context of sexual and reproductive health.

Baishali Chatterjee works as global gender justice adviser at Christian Aid.

Balakrishnan Rajagopal is the United Nations special rapporteur on the right to adequate housing. He has just published a report on the impact of COVID-19 on the right to housing.

As vice-president for knowledge management and sustainable development at the Asian Development Bank since 2015, Bambang Susantono provides strategic leadership to ADB's knowledge and research agenda. Prior to this, he was the acting minister and vice-minister of transportation, and deputy minister for infrastructure and regional development at the Office of Coordinating Ministry for Economic Affairs in Indonesia.

Ban Ki-moon is the chair of the Global Commission on Adaptation and Global Center on Adaptation. He was the 8th secretary-general of the United Nations where he put sustainable development goals, climate change, and equality for girls and women at the top of the U.N. agenda. Before becoming secretary-general, Ban was a career diplomat in South Korea's Ministry of Foreign Affairs and in the United Nations.

Dr. Bandar M. H. Hajjar is president of the Islamic Development Bank, a multilateral development bank that fosters the economic development and social progress of 57 member countries and Muslim communities. Dr. Hajjar previously served as minister of Hajj and minister of culture and information in the Kingdom of Saudi Arabia. He has been active in the field of promotion of human rights and was the founder of the Saudi National Society for Human Rights. He has a Ph.D. in economics from Loughborough University.

Bandini Chhichhia is an Australian lawyer currently taking a Master of International Development Law called PROLAW at the Loyola University Chicago campus in Rome. Prior to this she worked as a banking and finance lawyer at Allens Arthur Robinson, Sydney. She has lived in India, Kenya and Australia.

Barbara Frost is the chief executive of WaterAid, a U.K.-based organization working to provide safe drinking water, and improve hygiene and sanitation in 27 countries. Prior to WaterAid, Barbara was chief executive of Action on Disability and Development. She previously worked for various international NGOs such as ActionAid, Save the Children and Oxfam Australia.