Angella Rainford

Angella founded Rekamniar Frontier Ventures in 2011. Prior to this, Angella worked at Goldman Sachs in the Merchant Banking division (Principal Investment Area) in London and New York. During her career there, she evaluated and executed corporate and infrastructure private equity transactions and distressed debt investments. 

Prior to joining Goldman, she worked as part of the portfolio team at Sterling Stamos, a private investment management firm which specializes in alternative and multi-asset investment solutions.She began her career as a Business Analyst at McKinsey & Company in New York.

Angella has served as an advisor to Helios Investment Partners, a $3.0 billion private equity fund based in London focused on investments in Africa. She is also serves on the Board of Directors for GK Capital Management, the financial advisory and investment arm of the GraceKennedy Group, GK UK Foods and JN Money Services, a subsidiary of the Jamaica National Building Society.  

She served as a Director for EMpower (The Emerging Markets Foundation), a non-profit organization which supports local organizations in emerging market countries that provide at-risk youth with educational, health, leadership, and livelihood resources and training. Angella also served as a volunteer consultant to Technoserve in Ghana. She has travelled to >65 countries and lived on 4 continents.

Angella holds an MBA from Harvard Business School and a MPhil in Development Studies from the University of Cambridge. She also graduated with a BA (magna cum laude) in Government from Harvard College.



Jonathan is a Chartered Mechanical Engineer specialising in sustainable energy technologies and their development. His work in this field has included engineering consulting, development, construction and operations activities at different stages, on a range of hydro, biogas and marine energy projects.

He is the founder of Hydroventura SpA and Dragon Hydro Ltd which operate propietary hydro generation assets in Chile and the UK respectively.

Other achievements include project directing the implementation of a 16MW-47MW waste to energy power plant, in Santiago, Chile, one of the largest of its kind in Latin America. Previous to this he helped grow the UK Renewable Energy department at engineering firm Black & Veatch. While there he undertook numerous in-depth technical and economic studies for a range of clients including various investors and the UK Government. Early in his career, Jonathan was responsible for the engineering design, management and successful delivery of a water treatment project in Northern Chile as well as numerous other water related infrastructure projects.

Jonathan speaks fluent Spanish and holds a Master of Engineering Science degree from Oxford University.


hENRY cornell

Henry Cornell is the Founder and Senior Partner of Cornell Capital LLC. Formerly Vice-Chairman of the Merchant Banking Division of Goldman Sachs. Mr. Cornell worked at Goldman Sachs for nearly 30 years, and was one of the most senior partners of the firm at the time of his retirement in 2013. 

The Merchant Banking Division manages roughly U.S. $60 billion of global investments. Mr. Cornell was regarded as one of the most successful investors in the history of Goldman Sachs. Mr. Cornell focused on the corporate equity activities of the firm, which is the largest pool of investment capital in the division. 

Mr. Cornell also led all of Goldman Sachs’ investment activities in Asia, where he lived from 1988-2000. Notable transactions that Mr. Cornell directly led were the investments in the Ping An Insurance Company of China, Beijing Orient Plaza,  Pou Chen-Yue Yuen, Giant Bicycle, Mindray, Kookmin Bank, Hana Bank, ICBC, Sanyo, Japan Telecom, Kinder Morgan, USI, Allied World Assurance Company, Prosight Insurance, MRC, Barrett Energy, among many others.

Mr. Cornell has served on many corporate boards of public and private company’s, and currently sits on the board of MRC, a NYSE listed company focusing on energy and industrial distribution, and is on the International Advisory Board of Sotheby’s. Mr. Cornell is also on the Chairman of the Citizens Committee of New York, a Trustee of The Asia Society. A Trustee and Treasurer of the Whitney Museum, and a member of The Council on Foreign Relations. 

Mr.Cornell received his B.A. from Grinnell College in 1976 and his J.D. from New York Law School in 1981.  



Steffen Kastner is a former managing director of Goldman Sachs where he co-headed the Merchant Bank’s credit investing business in Europe.  Mr. Kastner joined Goldman Sachs in 1994 in the Investment Banking division, working in mergers & acquisitions and leverage finance at the firm’s New York and Frankfurt offices. He retired from Goldman Sachs in 2014.

Mr. Kastner joined the Merchant Bank of Goldman Sachs in 1999 where he worked on and led a number of successful private equity and debt transactions including the buy-outs of Wincor Nixdorf and Kabel Deutschland and large credit investments in Brenntag, Com Hem, ConvaTec, Gambro, Molnlycke and Springer Science.

Prior to Goldman Sachs, Mr. Kastner was a research fellow at the International Monetary Fund in Washington D.C. and at Harvard University and worked in the economics department of Deutsche Bank. Mr. Kastner received a PhD in economics from Johannes Gutenberg University and a master degree in business administration (Diplom-Kaufmann) from WHU – Otto Beisheim School of Management.