Leadership Timeline

Records

Ishmael Yamson

Ghanaian businessman and former Unilever Ghana chief executive who chairs the board of Scancom PLC (MTN Ghana), listed on the Ghana Stock Exchange.

CurrentLatest source dated 2026-04Last reviewed 2026-10-26

What roles did Ishmael Yamson hold, and when?

Roles in date order

  1. Board Chairman (Non-Executive Director), Scancom PLC (MTN Ghana) Current

    Chairman of the board of the Ghana Stock Exchange-listed mobile operator; board member since 27 April 2011.[1, 2, 3, 4]

  2. 2016-11-01
    Non-Executive Chairman, Unilever Ghana Former

    Non-executive chairman for about 12 years after stepping down as chief executive in December 2004; succeeded by Edward Effah.[5]

  3. 2004-12
    Chairman and Chief Executive Officer, Unilever Ghana Former

    Executive head of the consumer goods company.[5, 6]

  4. 2005 to 2018-06-30
    Board Chairman, Standard Chartered Bank Ghana Former

    Non-executive chairman of the listed bank for about 13 years.[7, 8, 9]

  5. 2025-01
    Chairman, National Economic Dialogue Planning Committee, Government of Ghana (Office of the President) Date uncertain

    Named by President John Dramani Mahama to chair a seven-member committee planning a National Economic Dialogue, with four weeks to report.[6]

Sources

  1. Scancom PLC (MTN Ghana) 2025 Annual Report - board profilesScancom PLC, 2026-04, primary source
  2. Board of Directors: Ishmael Yamson, Board ChairmanMTN Ghana, primary source
  3. PR 203: Scancom PLC notification of re-election and appointment of directorsGhana Stock Exchange, 2025-05, primary source
  4. MTN to pay GH¢6.4bn to shareholdersGraphic Online, 2026-03-26, secondary source
  5. Edward Effah is new Board Chair for Unilever Ghana LimitedCiti FM Online, 2017-01-04, secondary source
  6. President Mahama picks Dr Ishmael Yamson to lead National Economic Dialogue Planning CommitteeGraphic Online, 2025-01-26, secondary source
  7. Standard Chartered Bank Ghana Annual Report 2015 (pages 30-39, board of directors)Standard Chartered Bank Ghana, 2016, primary source
  8. Press release: Board Chair announcementStandard Chartered Bank Ghana, 2018-06-07, primary source
  9. Emmanuel Kumah replaces Ishmael Yamson as Board Chair of StanchartGraphic Online, 2018-06-14, secondary source

Change history

  • 2026-10-26 Record published.

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