
Guaranty Trust Holding Company Plc (GTCO) has appointed Marie Namias as an independent non-executive director, further expanding the expertise on its board.
The announcement was made in a statement issued by the company on Tuesday, highlighting Ms Namias’ extensive background in international banking and corporate governance.
According to GTCO, Ms Namias brings more than 25 years of experience spanning retail banking, corporate banking, digital banking and strategy consulting. She has held senior leadership roles across several European financial institutions.
She previously served on the executive board of Caisse d’Epargne Bretagne Pays de Loire, where she oversaw both the Retail and Corporate Banking divisions. Her career also includes leadership positions at BRED Banque Populaire, Eurogroup Consulting and Deloitte & Touche Corporate Finance.
GTCO noted that her professional background combines operational banking leadership with advisory and strategic consulting experience, positioning her to contribute to board-level decision-making and oversight.

Ms Namias holds a Master of Science degree in Strategic Management from HEC, a Master of Laws in European Community Law from Universiteit Maastricht, and is a graduate of Institut d’études Politiques de Paris (Sciences Po).
Commenting on the appointment, Segun Agbaje, group chief executive officer of GTCO, said the board was pleased to welcome her, describing her as a seasoned professional with strong governance credentials.
He stated that her international banking experience and strategic expertise would further strengthen the board’s oversight functions and support the company’s long-term objectives.
The company added that the appointment underscores its commitment to strong corporate governance, diversity and board effectiveness, in line with regulatory requirements and global best practices.
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