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Get to know the Tullow Oil Board of Directors.

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Phuthuma Nhleko

Chairman

Phuthuma Nhleko (62, 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

Phuthuma brings extensive emerging markets experience to Tullow having worked successfully across Africa over the past three decades. Phuthuma was Chief Executive of MTN Group, the leading pan-African telecommunications company, from 2002 to 2011. During his time with MTN, the Group grew rapidly in Africa and the Middle East, gaining over 185 million subscribers to become one of the largest listed companies in Africa. In 2013, Phuthuma returned to MTN as a non-executive Director and Chairman until 2019. This included a period as Executive Chairman from 2015 to 2017. He remained part of the international advisory board for the business until August 2021. After stepping down as Chief Executive of MTN in 2011, Phuthuma was a non-executive Director at BP plc (2011–16) and Anglo-American plc (2011–15). He also served previously on the Boards of Nedbank and Old Mutual in South Africa.

Current external roles

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

  • Chair of
    Nomination Committee
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Rahul Dhir

Chief Executive Officer

In April 2020 Tullow announced the appointment of Rahul Dhir (57, 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

Rahul brings substantial leadership experience in the oil and gas industry to Tullow, 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. Under his leadership Cairn India successfully completed a $2 billion IPO and grew to a market value of nearly $13 billion with operated production of over 200,000 barrels of oil equivalent per day. Rahul 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 & 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 (40, 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

Richard brings extensive oil & gas and financial experience to the role. He has been acting as Interim CFO since April 2022 and has been with Tullow for over 11 years. During that time Richard led the Tullow Finance team, supporting a number of acquisitions, disposals and capital markets transactions. Richard played a significant role in the continued turnaround of Tullow with the successful rebasing of Tullow’s cost structure, the resetting of the balance sheet and the change to a more focused capital allocation. 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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Sheila Khama

Non-Executive Director

Sheila Khama (65, 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

Sheila brings to Tullow a wealth of executive experience in the banking and natural resources sectors across Africa. Sheila served as the chief executive officer of De Beers Botswana from 2005 to 2010, after which she served as a director of the extractives advisory programme at the African Centre for Economic Transformation. In 2013, Sheila took up a position as director of the Natural Resources Centre at the African Development Bank, Abidjan, Côte d’Ivoire. Sheila subsequently became a policy adviser at the World Bank in Washington in 2016. In both roles she advised host governments on sustainable development policies for natural resources. During this time she also represented the African Development Bank as an observer on the international board of directors of the Extractive Industries Transparency Initiative. Sheila holds a BA from the University of Botswana and an MBA from the Edinburgh University Business School.

Current external roles

Sheila is currently a member of the Advisory Board of the Centre for Sustainable Development Investment, Columbia University, and the audit committee of the United Nations Office of Operations, a non-executive director of the Development Partner Institute, a non-executive director of Base Resources Limited and a non-executive Director of The Metals Company, which is listed on the NASDAQ Stock Exchange in New York.

  • Member of
    Safety & Sustainability Committee
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Genevieve Sangudi

Non-Executive Director

Genevieve Sangudi (46, 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

Genevieve brings considerable marketing, investment and fund management experience to Tullow from 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. Since 2011, Genevieve has been managing director, Sub-Saharan Africa, for the American private equity company Carlyle Group, based in Johannesburg, South Africa, leading on a number of significant transactions in Gabon, Tanzania, Nigeria and Uganda. Genevieve holds a BA from Macalester College, St Paul, Minnesota, an MA in International Affairs from Columbia University, New York, and an MBA from the Columbia Business School, Columbia University.

Current external roles

Genevieve is currently managing director, Sub-Saharan Africa, for the American private equity company Carlyle Group.

  • Member of
    Audit Committee
  • Chair of
    Remuneration Committee
  • Member of
    Safety & Sustainability Committee
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Martin Greenslade

Non-Executive Director

Martin Greenslade (58, 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

Martin, a chartered accountant, brings extensive corporate financial experience to Tullow 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 holds an MA in Computer and Natural Sciences from Cambridge University and is also a graduate of the Stanford Executive Program, Stanford University California. 

Current external roles

Martin is 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.

  • Chair of
    Audit Committee
  • Member of
    Remuneration Committee
  • Member of
    Nomination Committee
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Mitchell Ingram

Non-Executive Director

Mitchell Ingram (60, 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

Mitchell brings a wealth of oil and gas executive experience to Tullow, having established a distinguished career spanning 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. Mitchell holds a BSc in Engineering Technology from Robert Gordon University in Aberdeen.

Current external roles

None.

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

Non-Executive Director

In February 2023 Tullow announced the appointment of Roald Goethe (63, German) as non-executive director, with effect from 24 February 2023.

Key strengths

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

Experience

Roald is a highly experienced oil and gas executive with extensive commercial knowledge of the energy industry in Africa. In 2006 he founded Delaney Petroleum Ltd, trading crude oil and
petroleum products predominantly within 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. Roald has an excellent understanding of Tullow’s business and vision, and he will provide a unique commercial
and entrepreneurial perspective to Tullow’s Board.

Current external roles

Roald is a Director of ROFGO Racing Limited.

  • Member of
    Audit Committee
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Rebecca Wiles

Non-Executive Director

In June 2023 Tullow announced the appointment of Rebecca Wiles (57, British) as non-executive director, with effect from 28 June 2023.

Key strengths

Subsurface, geoscience, emerging markets, commercial, executive leadership.

Experience

Rebecca brings deep technical subsurface and geoscience expertise to the Tullow Board, following a 33-year career at BP plc (BP). Pertinent to Tullow, Rebecca also brings emerging markets experience through her role as Vice President of Exploration and Appraisal at BP Angola, as well as commercial and operational experience from her position as Managing Director of BP’s Norway business.

Current external roles

Rebecca is a Fellow of the British Geological Society and holds a B.Sc. (Hons) in Geochemistry and is also a non-executive director for SES Water.

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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 five independent non-executive Directors.

    Read more

  • Board committees

    Committees established by the Board to ensure strong corporate governance.

    Read more