Archived Webinar

Social Impact Bonds: Addressing Gaps to Solving Social Issues

The webinar will explore social impact bonds as a potential model that addresses weaknesses of traditional approaches in solving social issues. An RBF instrument itself, impact bonds tie financial returns and payments to social outcomes. Their design brings private sector investment to programs that are not profit-centered but produce social externalities.

Presenter Resources

About the Presenters

Rob Mills

Rob Mills joined Social Finance in October 2016 as a Director of its international development practice. Rob advises aid agencies, social investors and private enterprises on how development finance can more effectively tackle economic development challenges. He has particular expertise in energy, infrastructure services and private sector development. Rob worked for eight years at the World Bank, where he originated and managed a large portfolio of energy investments in southern Africa, as well as advising governments on policy and regulatory reforms. Immediately prior to Social Finance, Rob held a senior role at Ofgem, the UK’s energy regulator, where he was responsible for the UK’s cross-border infrastructure investment regime, as well as for leading policy work on European energy markets. Earlier in his career, he worked on international issues at the Prime Minister’s Strategy Unit, following four years in Brussels at a development finance think-tank. Rob started his career at Oliver Wyman, a leading strategy consulting firm focusing on banking and financial markets. He has a graduate degree in economics from Columbia University and an undergraduate degree from the University of Oxford.

Inga Afanasieva

Inga is an economist by training who built an expertise in results-based financing and output-based aid. She worked on the application of RBF and OBA in projects across multiple sectors, including education, energy, water and sanitation, and she is leading the work on impact bonds at GPOBA. In 2014, Ms. Afanasieva returned to GPOBA after serving as Chief of Staff at the Moldovan Ministry of Education where she headed Minister’s Cabinet. She was on the forefront of the education reform and the development of the new Education Strategy and Education Law. Inga managed the implementation of the World Bank-funded RBF SIL for education in Moldova on behalf of her government, and launched several national pilots integrating ICT in education. She initially joined GPOBA in 2008 to support the monitoring and evaluation of OBA projects. Since then she contributed to the development e-learning, advised the World Bank and other development partners on mainstreaming the approach in their operations, and lead the scoping study on the application of RBF in the education sector. Ms. Afanasieva holds an MSc in Foreign Service from Georgetown University and a BA in Economics from the Academy of Economic Studies, Moldova.

Eleanor Nettleship

Eleanor is a Manager in Social Finance’s International Development team. She has worked on the design of Impact Bonds and other outcomes-based models across a range of development issues including: health, education and youth employment; and countries: such as Uganda, South Africa and Cameroon, among others. Eleanor’s work at Social Finance has focused on technical design and project management, in particular related to the development of outcomes measurement and verification frameworks; results based payment mechanisms; operational, budget and financial models; and development agency and delivery partner capacity building and coordination. She is currently leading design of the DIB component of the World Bank funded Finance 4 Jobs project in West Bank and Gaza around skills matching and employment for young people. Prior to working at Social Finance, Eleanor worked at the British Council on their International Education projects, and with Transparency International on developing their anti-corruption reporting methodologies. She is also a trustee of a charity focused on supporting education in Liberia. Eleanor holds a degree in Chemistry from Oriel College, Oxford and an MSc in Development Studies from the School of Oriental and African Studies, London.

Sebastian Welisiejko

Sebastian Welisiejko joined Social Finance in late 2016 as a consultant to lead the development of a Social Impact Bond (SIB) supporting an intervention to tackle unemployment amongst vulnerable youth in the city of Buenos Aires, Argentina. Sebastian is also the Programme Manager of the Global Steering Group for Social Impact Investment (GSG), a continuation of the Impact Investing Taskforce established by the G8. Chaired by Sir Ronald Cohen, the GSG works to advance the global impact investment movement, harnessing the power of capital, entrepreneurship and innovation to tackle some of the most pressing issues facing our societies in the 21st century. Between 2012 and 2016, Sebastian was Chief Economist of The Portland Trust, a British not for profit seeking to foster peace and stability between Palestinian and Israelis through economic development. Sebastian obtained a BA in Economics from the University of Buenos Aires and a MSc in Development Economics from the University of Sussex.

Target Audience

Output-Based Aid/Results Based Financing Community of Practice members, TTLs of specific sectors, strategic donors, academia, project implementers, governments, Information about OBA/RBF is in high demand within the Sustainable Development Practice Group and with clients and donors.

Questions Submitted

Mahaman Mourtala

- Nov 2, 2021


- Sep 14, 2021
Good information.

jose luis

- Sep 5, 2021


- Jan 25, 2021

Mohammad Nadir

- May 3, 2020
Very good!


- Mar 25, 2020


- Sep 15, 2019
Addressing Gaps to Solving Social Issues

Waqar Aamir

- Jun 8, 2019


- Apr 3, 2019
Sangat menarik


- Mar 20, 2019
Topik Menarik
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