Secha Capital
Investing in African companies

Who We Are

Entrepreneur-focused operating managers 



Managing Director

Brendan J. Mullen

Brendan Mullen has over 10 years of investment and advisory experience in both the USA and Africa.

He was previously a consultant with Bain & Company in its Johannesburg office, where he focused on agribusiness, FMCG, retail and energy. Previous to Bain, Brendan worked as a venture fellow at SJF Ventures, an impact investing venture capital firm. He began his career as a bond analyst at Putnam Investments, a Boston-based global asset manager. Brendan’s first experience into sub-Saharan Africa was as an advisor to the Africa Awards for Entrepreneurship. His work with AAE, Bain and Secha has encompassed 12 different countries on the continent.  II  +27 76 376 1629


Duke University

University of Richmond
B.A., Classics

Managing Director

Rushil K. Vallabh

Rushil Vallabh has experience in a variety of industries, from engineering to financial services and most recently consulting.

As a consultant with Bain & Company, he worked across practice areas as well as a diverse range of clients. Key projects included: Post merger integration within financial services, strategy within public sector and FMCG, and decision effectiveness within Telecoms. Prior to Bain he worked as a Product Specialist for FNB's mobile money service 'eWallet', which had received awards for best payment initiative in 2012. His career began as an Aeronautical Engineer at CSIR, after graduating from Wits. 

He has also been recognised as part of the Forbes Africa 30 under 30 2017 class and the Mail & Guardian Top 200 Young South Africans.  II  +27 82 666 3381


University of Cambridge

University of Witwatersrand
BSc. Engineering, Aeronautical

Nombuso Nkambule.png

Founding Partner

Nombuso L. Nkambule, M.D.

Nombuso Nkambule, M.D., is a practicing doctor at Helen Joseph Hospital in Johannesburg and has, in parallel to attaining her medical degree, a rich history in social enterprise and empowering the women of South Africa.

She is the Director of Royal Kalanga, a female cooperative social enterprise in Limpopo which assists disenfranchised women to develop trade skills and access markets. Previously, Nombuso co-founded and served as the executive director of Peace of the Educational Mind, a charity backed by late Minister Collins Chabane’s Xakani Foundation. Nombuso refined her world view when, as a student at Stanford Lake College, she represented South Africa as part of a highly selective global program at Deerfield Academy in Deerfield, Massachusetts, USA.

While earning her M.D. from The University of Witwatersrand, Nombuso practiced family medicine across South Africa, most notably in Johannesburg, Klerksdrop and Bushbuckridge.


University of The Witwatersrand




Yusuf A. Shaikh

Yusuf is a former management consultant with experience across the energy, automotive and public sector industries.

He worked in the Boston Consulting Group’s Johannesburg office covering different practice areas across a diverse range of clients in the public and private sector. Key cases include: Corporate strategy within energy, investment due diligence within automotive and pricing optimisation for a B2B company.

Yusuf has a keen interest within the investments and consulting space, and is passionate about helping identify and grow the next great African companies.


University of Cape Town

B.Bus.Sci (Finance with Accounting)

john harb high res.jpg

MBA INtern 

John Harb

John is a management consultant with experience in banking, impact investing, and as an entrepreneur.

While recently completing his MBA at Duke University, John worked at the Ulupono Initiative, an impact investing fund focused on early stage, environmentally positive investments. As a member of the investment team, John evaluated both the mission and financial suitability of potential investments and worked on a pilot program to bring fresh local food to schoolchildren in the U.S. state of Hawaii.

Outside of work, John has focused his volunteer efforts on children's causes both in the U.S. and Africa.


Duke University

Arizona State University
B.S. Finance & B.S. Accounting


MBA INtern 

Chrysanthe K. Georgiou

Chrysanthe has financial services, investment management, telecommunications, manufacturing and logistics experience.

Most recently, Chrysanthe worked at Palmer Capital, a real estate investment fund in London where she managed five funds valued at approx. £270m. She was actively involved in stakeholder management, liaising with investors in Saudi Arabia, asset managers and operating companies in the UK. She designed and implemented more efficient and transparent transaction processes eliminating risks of cash shortage and unfavourable returns. 

Prior to that Chrysanthe was an Audit Senior at Deloitte, she worked in both the New York and Pretoria practice. In New York she was selected to lead a team of nine people, managing six international components for a global US listed manufacturing business. Further, she gained a range of exposure working on numerous clients across industries including, a nickel mine in Madagascar, and a merger transaction of a significant JSE REIT residential portfolio where she also presented to the board on innovation strategies to advance interests on new business developments in the central business district of Pretoria.


University of Oxford

University of Pretoria
Bcom Hons Accounting Sciences