Management & Board of Directors

Management and Board of Directors

John Barton Bridges, Chief Executive Officer
MBA (INSEAD), M.Sc. (Imperial College, DIC), B.Sc. Civil Eng (UCT)

John Barton-Bridges has 30 years of professional experience in engineering, project finance and private equity in Africa, Europe, USA, Canada, Latin America and Asia. He was previously Vice President at AIG Investments, involved in AIG’s $400 million Africa Infrastructure Fund, including serving on the Investment Committee of the fund. He spent 10 years with International Finance Corporation, the private sector arm of the World Bank Group and the largest multinational source of equity and loan financing for private sector projects in emerging markets.

Mr Barton-Bridges was seconded by IFC to the Development Bank of Southern Africa as Head, Private Sector Investments Unit, where he was responsible for the bank’s entire private sector business activities in Africa, managed a team of 22 and was a member of the bank’s Executive Committee. While at IFC he was directly involved in financing over 25 transactions in emerging economies, more than 14 of which were in Africa.

Prior to gaining his financial experience he spent 12 years as an engineer with SRK, and other firms, working in the mining sector in Africa, Canada and the USA. Mr Barton-Bridges has, at various times, held the following positions: Investment Committee, AIG African Infrastructure Fund, L.L.P.; Director, Municipal Infrastructure Investment Unit, South Africa; and, DBSA’s representative Director, Board of Directors of Proparco, Paris, France.


Fidel Jonah, Chief Operating Office
MBA (City Univ, London), B.Econ. (Greenwich University), Private Equity (Oxford)

Fidel was a founder of Jonah Capital. His diverse career includes working with Deloitte & Touche Consulting in Ghana, Balfour Williamson & Sons (UK) as International Buyer and Citiland LLC, an American mining supplies company as the Regional Representative for West Africa. Fidel previously worked at Sterling Africa, a corporate finance advisory house in Tanzania, as the Business Development Director. He is a Board Member of Jonah Capital and Cavalla Resources Limited. Fidel received a Bachelor’s in Economics from Greenwich University, United Kingdom; an MBA from the Cass Business School, City University, London; and a certificate in Private Equity at the Said Business School, University of Oxford. Fidel was selected in 2009 as a Young Global Leader, an honour bestowed by the World Economic Forum each year to recognise the most distinguished young leaders nominated below the age of 40 from around the world.


David Renner, Managing Director, Liberia
BSc (Hons) Civil Engineering (from University of Science & Technology, Ghana), MSc Geotechnical Engineering (from Newcastle University, UK), MBA (from Wits University, RSA)

David Renner has approximately 30 years’ professional experience operating mines in West Africa (26 years), and East Africa (3 years). He is the former Managing Director of AngloGold Ashanti’s Iduapriem mine in Ghana, a position he held for 8 years. David is most recently the Managing Director of the Sadiola and Yatela gold mines in Mali, a joint venture between Anglogold Ashanti, IAMGOLD Corp and the Government of Mali.


Sir Samuel Esson Jonah, KBE, OSG
Executive Chairman

Sir Sam Jonah is one of Africa’s most prominent businessmen who is internationally recognized as a leading business executive. He was educated at Adisadel College in Ghana, Camborne School of Mines in Cornwall, and The Imperial College of Science & Technology, London.

Sam Jonah’s career began in 1969 at the Obuasi gold-mine. He became deputy CEO of its holding company Ashanti Goldfields at the age of 31. He was appointed Chief Executive Officer of Ashanti Goldfields Company Limited in 1986 and oversaw its growth from a single mine company into a multinational producing more than 1.6 million ounces of gold per annum from mines in several countries. In 1994, Ashanti listed on the London and Ghana stock exchanges in the largest flotation ever organised by any gold mining company. In 1996 Ashanti became the first African company to be listed on the New York Stock Exchange. Sir Sam became Executive President of AngloGold Ashanti Ltd in May 2004 when Ashanti was merged with AngloGold Limited, creating the world’s second largest gold producer.

Sir Sam has served on the boards of several international public and private companies, including Anglo American SA Ltd, Anglo Platinum Ltd, ArcelorMittal SA Ltd, Standard Bank Group Ltd. He served as Chairman of Equinox Minerals Ltd, Moto Goldmines Ltd, and UraMin Inc. He is currently the Executive Chairman of Jonah Capital, an investment holding group with assets in Africa, and he serves as a Non-executive Director on the board of Vodafone Plc. In January 2013 Sir Sam was appointed as the only African to serve on the newly established Bank of America Global Advisory Council, together with internationally recognized business, academic and public policy leaders.

Sir Sam is the Chancellor of the University of Cape Coast Ghana, a Member of the Board of Ashesi University in Ghana, a Visiting Professor of Business at The University of Witwatersrand Business School of Johannesburg and a member of its governing council, as well as Trustee of the Nelson Mandela Legacy Trust (UK). He was a Founding Member of The United Nations Secretary General’s Global Compact Advisory Council, a member of The African Regional Advisory Board of the London Business School, served as a member of the Governing Body of the School of Oriental and African Studies, and a Trustee of the Camborne School of Mines. In 2003, he was co-chairman of the World Economic Forum held in Durban, South Africa, and he has served on the Advisory Council of the President of the African Development Bank and the International Finance Corporation (IFC).

Sam has been an advisor to a number of African Heads of State and he currently serves on the International Investment Advisory Councils of Nigeria and Togo.

Awards and Honours

1994 Honorary Doctor of Science degree awarded jointly by the Camborne School of Mines and the University of Exeter (UK).
2003 Honorary Knighthood as Knight Commander of the Civil Division of the Most Excellent Order of the British Empire (KBE) conferred by Her Majesty, Queen Elizabeth II of Great Britain and Northern Ireland, and Head of the Commonwealth. The KBE was awarded in recognition of his exceptional achievements as a businessman, a leading business executive from the Commonwealth, and an international public figure.
2004 CNN and Time Magazine ranked him as one of the world’s top 25 most influential business people, setting the global standards for management, ethics, marketing and innovation.
2005 Honorary Doctor of Humanities degree awarded by Ashesi University College through its affiliate university in Ghana, the University of Cape Coast.
2006 Awarded the Companion of the Order of the Star, Ghana’s highest national award.
2010 Sir Sam is the recipient of three Lifetime Achievement awards conferred on him by the Commonwealth Business Council and the African Business Magazine for his outstanding contribution to the development of the private sector in Africa, the most recent award being in June 2010.
2011 Profiled as Mining Personality of the month in Martin Creamer’s Mining Weekly publication.
John Barton-Bridges Chief Executive Officer
Fidel Jonah Chief Operating Officer
David Renner Managing Director, Liberia
Rezah Cotobally Non-Executive Director
Caroline Harmon Non-Executive Director
Kaviraj Rookny Non-Executive Director


David Renner

Old Sophie Road
Oldest Congo Town

T +231 (0) 880 746 489
F +231 (0) 776 800 331