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Stephen Koseff

Banker and company builder

By South African Index Editorial Desk · Published · Last reviewed

Official portrait of Stephen Koseff
Stephen Koseff in an official Investec portrait.: Investec · Source. Resized and converted to WebP for this site.

Stephen Koseff joined Investec during the early banking phase and helped secure its banking platform. [1]

Investec identifies him as a co-founder and former group chief executive. [2][3]

Biography

Koseff joined the team after the Investec name had been adopted. [1]

He worked with Nestadt to search for a bank that could provide an existing licence. [1]

He became the long-serving group chief executive as Investec expanded across markets. [2][3]

He later served as a non-executive director before leaving the group board in August 2026. [5]

Key contributions

Helped acquire the banking platform that changed Investec’s business model. [1]

Led the group through a long period of growth and international expansion. [2][3]

Life and career timeline

  1. Helped conclude the Cape Trustees acquisition. [1]

  2. Served as Investec group chief executive. [3][4]

  3. Left the Investec group board. [5]

Frequently asked questions

Was Stephen Koseff an Investec founder?

Investec identifies him as a co-founder in its retrospective company story. [2]

What was his executive role?

He was Investec’s long-serving group chief executive. [3]

What did he do in the early company?

He helped find and acquire the banking platform in 1980. [1]

Related people

  • Ian Kantor — South African engineer and business builder who started the leasing company that became Investec.
  • Larry Nestadt — South African investor and one of the three original founders named in Investec’s official company history.
  • Errol Grolman — South African business builder and one of the three original founders named by Investec.
  • Bernard Kantor — South African banker and early Investec company builder who led important United Kingdom expansion.
  • Fani Titi — South African banker and company builder who has served as Investec group chief executive since March 2020.

Associated organisations

Related research

Sources

  1. Investec Alumni, Ian Kantor, 2025-09-23. Original source. Accessed 2026-10-30. ↩
  2. Investec, The Investec story, 2020-07-27. Original source. Accessed 2026-10-30. ↩
  3. Investec, Stephen Koseff. Original source. Accessed 2026-10-30. ↩
  4. Investec, Fani Titi. Original source. Accessed 2026-10-30. ↩
  5. Investec, Investec Group integrated and strategic annual report March 2026, 2026-06-12. Original source. Accessed 2026-10-30. ↩