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Get to know the Tullow Oil Board of Directors.

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Phuthuma Nhleko

Chairman

Phuthuma Nhleko (South African) joined Tullow as a non-executive director and chair-designate on 25 October 2021. Phuthuma took over the role of chairman on 1 January 2022.

Key strengths

Executive leadership, public company governance and leadership, emerging markets, engineering, investor relations, corporate finance, business development, risk management, technology and innovation.

Experience

Extensive emerging markets experience having worked successfully across Africa over the past three decades including MTN Group (MTN), the leading pan-African telecommunications company, where he served as the company’s Chief Executive from 2002 to 2011. He returned to MTN in 2013 and until August 2021 held various roles including Non-Executive Director, Executive Chairman and a member of the company’s international advisory board. He has previously served as a Non-Executive Director of BP plc, Anglo-American plc, Nedbank and Old Mutual.

Current external roles

Chairman of Phembani Group, an investment group which he founded in 1994, Chairman of the Johannesburg Stock Exchange Ltd, Non-Executive Director of South African downstream energy company, Engen Petroleum and Non-Executive Director of IHS Towers, the NYSE-listed Emerging Markets Telecom Infrastructure Provider.

  • N Chair of
    Nomination Committee
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Rahul Dhir

Chief Executive Officer

In April 2020 Tullow announced the appointment of Rahul Dhir (British) as chief executive officer with effect from 1 July 2020.

Key strengths

Upstream business, exploration, development and operations, executive leadership, capital markets, M&A, environment, health, safety and sustainability.

Experience

Substantial leadership experience in the oil and gas industry, having founded Delonex Energy, an Africa-focused oil and gas company in 2013. Prior to establishing Delonex, Rahul spent six years at Cairn India as Chief Executive Officer and Managing Director. He started his career as a Petroleum Engineer, before moving into investment banking where he led teams at Morgan Stanley and Merrill Lynch, advising major oil and gas companies on merger and acquisition and capital market-related issues.

Current external roles

Member of the International Board of Advisors at the University of Texas at Austin.

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Richard Miller

Chief Financial Officer

In December 2022 Tullow announced the appointment of Richard Miller (British) as chief financial officer, with effect from 1 January 2023.

Key strengths

Upstream oil and gas, capital markets, M&A, financial management, audit and assurance.

Experience

Extensive oil and gas and financial experience having joined Tullow in 2011 and has led the Tullow Finance team, supported a number of acquisitions, disposals and capital markets transactions. Richard is a chartered accountant and he joined Tullow from Ernst and Young LLP where he worked in the audit and assurance practice.

Current external roles

None.

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Martin Greenslade

Senior Independent Director

Martin Greenslade (British) joined Tullow as a non-executive director on 1 November 2019.

Key strengths

Corporate finance, accounting and audit, risk management and executive and public company leadership.

Experience

Extensive corporate financial experience from a 35-year career in the property, engineering and financial sectors in the UK and across Africa, Scandinavia and Europe. From 2005 to 2021 Martin was Chief Financial Officer at Land Securities Group plc, a listed UK real estate company. Previously, he spent five years as group Finance Director of Alvis plc, an international defence and engineering company. Martin is a chartered accountant.

Current external roles

Group Chief Financial Officer at Red Sea Global, Saudi Arabia and a board trustee of the UK arm of International Justice Mission, a human rights charity focused on protecting the poor from violence and ending human slavery.

  • A Chair of
    Audit Committee
  • R Member of
    Remuneration Committee
  • N Member of
    Nomination Committee
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Sheila Khama

Independent Non-Executive Director

Sheila Khama (African) joined Tullow as a non-executive director in February 2019.

Key strengths

Extractives project and policy reform, executive leadership, corporate governance, business development, public–private partnership and sustainability.

Experience

Significant executive experience in the banking and natural resources sectors across Africa having served as the Chief Executive Officer of De Beers Botswana from 2005 to 2010 and then director of the extractives advisory programme at the African Centre for Economic Transformation. In 2013, Sheila became a director of the Natural Resources Centre at the African Development Bank, Abidjan, Côte d’Ivoire and subsequently in 2016 a policy adviser at the World Bank in Washington. In both roles she advised host governments on sustainable development policies for natural resources. She also represented the African Development Bank as an observer on the international board of directors of the Extractive Industries Transparency Initiative. 

Current external roles

Member of the Advisory Board of the Centre for Sustainable Development Investment, Columbia University, a Non-Executive Director of Base Resources Limited, a Non-Executive Director of The Metals Company, which is listed on the NASDAQ Stock Exchange in New York and a member of the Advisory Committee of CONNEX.

  • N Member of
    Nomination Committee
  • S Member of
    Safety & Sustainability Committee
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Genevieve Sangudi

Independent Non-Executive Director

Genevieve Sangudi (African) joined Tullow as a non-executive director in February 2019.

Key strengths

Corporate finance, accounting and audit, business development, risk management, executive leadership and investor relations.

Experience

Considerable marketing, investment and fund management experience gained during a 22-year career in the financial sector in the US and across Africa. Genevieve began her career in business development as a marketing executive at Procter & Gamble, Boston, before joining Emerging Capital Partners, a pan-African private equity firm, as a partner and managing director. At Emerging Capital Partners Genevieve served on the boards of portfolio companies working closely with the executive teams and set up the company’s operations in Nigeria.

Current external roles

Managing Director,  Sub-Saharan Africa, for the American private equity company Carlyle Group.

  • R Chair of
    Remuneration Committee
  • S Member of
    Safety & Sustainability Committee
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Mitchell Ingram

Independent Non-Executive Director

Mitchell Ingram (British) joined Tullow as a non-executive director in September 2020.

Key Strengths

Upstream business, corporate finance, accounting and audit, business development, risk management, executive leadership, investor and government relations.

Experience

Over 28 years of experience in the oil and natural gas industry. Mitchell joined Anadarko in 2015 and became Executive Vice-President of International, Deep Water, and Exploration in 2018. Prior to this, he served as Development Director and then Asset General Manager for the Karachaganack field in Kazakhstan at BG Group, following his time as Managing Director of QGC Australia. Mitchell began his career at Occidental and spent 22 years in a number of technical and operational roles in the UK North Sea, Qatar and Libya. 

Current external roles

None.

  • R Member of
    Remuneration Committee
  • S Chair of
    Safety & Sustainability Committee
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Roald Goethe

Independent Non-Executive Director

In February 2023 Tullow announced the appointment of Roald Goethe (German) as non-executive director, with effect from 24 February 2023.

Key strengths

Upstream business, finance, development, executive leadership, capital markets, M&A.

Experience

Experienced oil and gas executive with extensive commercial knowledge of the energy industry in Africa. In 2006 Roald founded Delaney Petroleum Ltd, trading crude oil and petroleum products predominantly in West Africa and the Middle East. Prior to establishing Delaney, Roald spent 11 years at Trafigura Group, where he had an integral role in the development of the group’s oil trading activities, primarily in West Africa. 

Current external roles

Director of ROFGO Racing Limited.

  • A Member of
    Audit Committee
  • R Member of
    Remuneration Committee
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Rebecca Wiles

Independent Non-Executive Director

In June 2023 Tullow announced the appointment of Rebecca Wiles (British) as non-executive director, with effect from 28 June 2023.

Key strengths

Subsurface, geoscience, technology, emerging markets, commercial, government relations, safety and risk management and executive leadership.

Experience

Significant technical subsurface and geoscience expertise gained during 33-year career at BP plc (BP). She also has extensive emerging markets, commercial and operational experience having served as Vice President of Exploration and Appraisal at BP Angola and as Managing Director of BP’s Norway business.

Current external roles

Non-Executive Director of SES Water.

  • A Member of
    Audit Committee
  • S Member of
    Safety & Sustainability Committee
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Adam Holland

Company Secretary

Find out more about us

  • Corporate governance

    The Board currently comprises one independent non-executive Chair, one Executive Director and six independent non-executive Directors.

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  • Board committees

    Committees established by the Board to ensure strong corporate governance.

    Read more