Tshegofatso B. Modise
Chair Trustee and PIOB Chair
PIOB Chair – Since 2025
Tshegofatso (Tshego) Modise is the Chair Trustee of the International Foundation for Ethics and Audit. She was nominated by the Public Interest Oversight Board, for which she is Chair.
She is also the Executive Head of Governance, Risk and Compliance at Debswana Diamond Company, a position she has held since August 2023. She is also a board member and Chair of the Finance, Risk, Audit Committee for the Non-Bank Financial Institutions Regulatory Authority in Botswana (NBFIRA).
Tshego brings leadership experience in governance, risk, assurance, and finance across the mining, regulatory, and professional accountancy sectors. Prior to her current role, she was Head of Risk and Assurance for De Beers Group and in the earlier years, as Head of Internal Audit at Debswana Diamond Company.
Beyond her executive roles, Tshego has served as an independent director and board member for a wide range of non-governmental and professional accountancy organizations in Botswana and across Africa. She has played a key role in advancing the accountancy profession, including leading the implementation of the Botswana Accountants Act of 2010 for the Botswana Institute of Chartered Accountants (BICA).
Her governance leadership extends internationally: she previously represented Botswana as ACCA President and Chairman (2007–2009) at the international assembly. She also chaired the BICA Public Accounts Committee, where she helped design the roadmap for transitioning the country’s financial systems from cash to accrual accounting.
From 2010 to 2018, Tshego was a board member of BICA, including two years as Vice President and three years as President and chaired key committees including Public Accounts, Education and Professional Training, which was charged with the Twinning Project with the Institute of Chartered Accountants in England and Wales for the establishment of the local institute qualification.
She was also co-opted as a board member of the Pan African Congress of Accountants (2018–2019).