Impact Investing and Impact Measurement Faculty



Karim Harji brings over a decade of international experience in impact measurement and evaluation, particularly for impact investing, social finance, and social enterprise. He is a Senior Fellow with the J.W. McConnell Family Foundation, and Programme Director of the Oxford Impact Measurement Programme at the Saïd Business School, University of Oxford. He is an Associate Fellow at the Saïd Business School, where he also teaches in the Oxford Impact Investing and Social Finance executive education programmes, and has designed and taught executive programs and workshops on evaluating impact investing in Ghana, South Africa, Kenya, Germany and Canada.

Karim was previously a co-founder and Director at Purpose Capital, where he established and led its Impact Investing Advisory practice, and an Advisor to the Rockefeller Foundation on social impact measurement. He co-authored the strategic assessment of the Rockefeller Foundation’s Impact Investing Initiative, and the global market review, “Accelerating Impact: Achievements, Challenges and What’s Next in Building the Impact Investing Industry”.


Kanini Mutooni is the Managing Director of Europe, Middle East and Africa for Toniic, the global action network for impact investors.  Prior to this appointment, Kanini was the Director for Investment at the USAID-funded East Africa Trade and Investment Hub, a $65m, 8 country initiative to attract investment and increase trade in the East Africa region. Since its launch, the unit has supported the close of over $100M in deals originated in the East African region in agri-business, financial services and ICT.

Kanini is a UK Chartered Accountant with a record of exceptional leadership gained in East Africa, Europe and the United States.  She has excellent entrepreneurial credential, having set up the first UK platform for SME lending that successfully raised $1m in seed capital and was instrumental in helping fund over $50m in debt capital in Eastern and Western Europe. In 2011 she was recognized as one of the most influential women in the City of London by Barclays Wealth UK and in 2012 she was named one of the most powerful women in Business by the Business Weekly newspaper in Kenya. 


Aunnie Patton Power is the founder of Intelligent Impact, an Entrepreneur in Residence at the Skoll Centre for Social Entrepreneurship, an Associate Fellow at the University of Oxford's Saïd Business School, a Visiting Fellow at the London School of Economics’ Marshall Institute and an advisor to the Bertha Centre for Social Innovation and Entrepreneurship at the University of Cape Town's (UCT) Graduate School of Business.

A reformed M&A investment banker, she began her impact 
career in 2010 with Unitus Capital in Bangalore and has since worked with start-ups, intermediaries, funds, family offices, foundations, corporates and governments across Africa, Asia, Europe and North America. Aunnie has designed millions of dollars’ worth of innovative financing instruments including the first social impact bonds in Africa.

Currently, Aunnie lectures on Innovative Finance, Impact Investing and Technology for Impact at UCT, Oxford and the London School of Economics and consults globally on the intersection of emerging technologies for impact finance and the creation of innovative financing and impact investing strategies for organizations. Aunnie's work has been published throughout the world, including by the Oxford University Press, the Stanford Social Innovation Review (SSIR), the World Economic Forum, Impact Investing Policy Collaboration and as a Massive Open Online Course on Coursera titled Innovative Finance.


Andia Chakava is an Investment Director at the Graça Machel Trust and leads the organization’s gender lens investing initiative. She is the current Chairperson of New Faces New Voices Kenya (women in finance network) and is passionate about facilitating intra Africa investment, investor education and is a thought leader in gender lens investing. She was the lead consultant in a 2017 publication by the Graça Machel Trust on the ‘Growth barriers affecting women entrepreneurs in East Africa.’

Andia is one of the first female fund managers in the region and has been instrumental in the set up of two fund management companies from scratch in Kenya ( Old Mutual Investment Services and Alpha Africa Asset Managers) where she served in each as Managing Director. She is a non-executive director of Echo Network Africa (formerly Kenya Women Holding) and East African Educational Publishers.

She has over 15 years of experience in fund management and 5 years of driving women economic empowerment goals. In 2014 she was named Africa’s most influential woman in financial services by CEO magazine and in 2018 won the National Diar Inclusion and Diversity Business Executive champion award in Kenya.


Natasha’s work in innovative finance has focused on impact monetization and the use of grant funding to catalyse private sector investment for impact. Before joining the Bertha Centre she worked for the Dutch development bank (FMO), where she designed, funded, and monitored projects with a high social, economic, and environmental impact. She sat on the technical assistance advisory committee of two international impact investing funds focusing on micro and small business finance. Natasha’s portfolio included innovative incubation for SMEs, green bonds, and access to finance for under-served groups such as women, youth, and refugees. Natasha has experience in consulting, collaborating with public, private, and donor-sector clients on a range of issues including fund and foundation design, job creation, and youth unemployment. 


Jon leads the Responsible Investment Programme at Old Mutual. The Programme is focused on driving the systematic integration of material environmental, social and corporate governance (ESG) issues across the Group’s c£320 billion of funds under management. Jon also heads up the Sustainability Research and Engagement function at the Group’s South Africa-based asset manager, Old Mutual Investment Group, where he is involved in industry ESG research, the analysis of green growth opportunities, and engagement on regulatory issues and local industry initiatives.


Dean Hand is an experienced impact investment strategist with a demonstrated history of working in the investment management industry as well as social enterprises. She is currently the Impact Investment Origination & Business Development Manager at Ashburton Investments. Dean is also an MPhil Bertha Centre Scholar alumni.


Heather Jackson is the head of specialist credit at Ashburton Investments, the asset management arm of First Rand. Heather was a founding partner and CEO of Atlantic Specialised Finance before Ashburton acquired the team. Heather has almost 25 years of capital market experience. Heather has led a number of fixed income teams within asset management, including Investec and Prudential later becoming a founding partner of African Harvest Value Managers. 


Refilwe Mokoena is a development finance and monitoring and evaluation professional. She has accumulated over 10 years of experience leading and managing work relating to monitoring and evaluation as well as reporting systems. She currently leads the Graça Machel Trust’s impact strategy and monitoring & evaluation work in East and Southern Africa; across sectors including agri-business, entrepreneurship, health, financial inclusion and impact investing.

Before joining the Graça Machel Trust, Refilwe worked in microfinance and impact investing, including as a Senior Programme Manager for GreaterCapital where she collaborated with E.T Jackson & Associates and the Centre for Learning on Evaluation and Results to deliver an Executive Workshop on evaluating impact investing in Africa.

Refilwe currently serves on the Board of Directors and Social Performance Committee of South Africa’s largest development microfinance institution, the Small Enterprise Foundation. She holds a BA in International Relations from Mount Holyoke College, Massachusetts and is completing a Masters in Monitoring and Evaluation with the University of the Witwatersrand. 


Tsakane, based in Nairobi, supports the AHL Venture Partners' investment activities through the cycle - origination, structuring and post-investment portfolio support. Prior to joining AHL, Tsakhane was an impact investment analyst at the Bertha Centre for Social Innovation and Entrepreneurship, where she focused on researching and testing innovative financing instruments and projects. She was also a research and writing assistant to Julia Balandina Jaquier for the second edition of the book “Catalyzing Wealth for Change” (an impact investing guide for high net worth individuals and family offices). 


Mark van Wyk is currently head of unlisted investments at Mergence, including impact investments and heads up the first South African Impact Investment Pioneer Fund using the USAID funded Global Impact Investing Rating System (GIIRS).  He has over 13 year’s investment experience and his career includes development finance, structured finance, and external auditing and property management experience.