Member

Gretta C. Antonescu is an independent director and board advisor with over two decades in global financial services. Former senior executive at Credit Suisse with COO and Head of e-Trading and Sales & Services responsibilities, she operates at the intersection of business, technology, risk, and regulation. She possesses extensive international experience bridging business ownership of P&L with deep technology and governance expertise in regulated markets. Her work shows a strong focus on FinTech, cyber risk & AI governance, regulatory oversight, and board-level decision-making in complex regulated environments.

Gretta’s journey began in Romania and took her internationally to the heart of the global financial system (London, New York, and Zurich), where she held senior executive roles at leading institutions like Credit Suisse. Over 15 years, she led large-scale digital transformation initiatives, developed e-trading platforms, and designed strategic governance frameworks across trading, operations, and technology.

Her leadership has consistently bridged business strategy with operational resilience and regulatory excellence, which has proven invaluable in volatile and complex business environments. These qualities make her a trusted voice on Audit, Risk, and Technology Committees, where the need to “see around corners” has never been more critical.

Her professional footprint spans across Anglo-Saxon and Southern European markets, with strong ties to the Swiss business community. This multicultural perspective equips her with the agility to understand the nuanced interplay between strategy, governance, and global business cultures, an essential quality for today’s international boards.

Beyond her board contributions, Gretta is also a neuroscience-trained Executive Mentor and Harvard Alumni Entrepreneur in Residence. Her mentoring approach uniquely blends real corporate leadership experience with cutting-edge neuroscience principles, offering a transformative edge to leaders aspiring to executive roles. She helps high-performing professionals elevate their executive presence, sustain performance under pressure, and amplify their impact in fast-changing environments.

At the core of Gretta’s leadership philosophy is a deep understanding of the human and technological aspects of governance. She believes that in the age of AI, cybersecurity, and data-driven disruption, boards must evolve from reactive oversight to proactive, future-focused governance.

Today, Gretta serves as a Board Director, Strategic Advisor, and Executive Mentor, supporting organizations and leaders across sectors to position their strategy for the future, strengthen their governance, mitigate emerging risks, and unlock innovation. Gretta’s ability to rapidly distill complex information into clear, actionable insights positions her as a natural fit for boards navigating tech transformation, AI & Cyber risk, and regulatory dynamics.

She is particularly passionate about guiding Audit & Risk Committees, and Technology & Digital Oversight Boards, where her expertise makes a tangible difference.