Joanne Siew

· Over ten years of experience managing audits across public and private market businesses at GIC, including thematic audits such as Corporate Governance and leading the Risk Culture and Conduct Survey. Consistently identified and raised strategic, high-impact issues across compliance, reputational, and operational risk areas, demonstrating a strong sceptical and analytical mindset.

· Led and executed cross-department whistle-blowing investigations covering insider trading, conflicts of interest, data leakage, employee grievances, and complaints related to public and private portfolio companies.

· Served as Secretariat for the Audit Committee and Ethics Committee, collaborating with the Conduct Working Group and Employee Relations to prepare agendas, materials, and minutes.

· Acted as Staff Assistant to the GIC COO, preparing briefs, supporting internal and external engagements, and promoting public understanding of GIC’s mission.

· Directed teams in applying advanced analytics to audits and partnered with business units to develop and deploy large language models (LLMs) for detecting potential fraud and anomalous portfolio activities.

Represented GIC in external Quality Assurance roundtables, ensuring audit manuals and department practices aligned with industry best standards.

Experienced audit professional with a robust background in managerial and supervisory roles across multiple high-profile, sensitive and complex global and regional audits and investigations, raising a large number of strategic and fundamental control issues (D4-rated), particularly within the Investment Bank (Equity/ Credit/ Interest Rate Derivatives). Selected to participate in the Women’s Development Program for supporting advancement into senior leadership. Responsible for driving various department initiatives and regional regulatory reporting process. Demonstrated leadership and coordination skills as the Bank’s Charity Champion, successfully organizing local and overseas charity events.

Lead executive on the Goldman Sachs International external audit team for equity derivatives and the UK statutory audit, with experience as a member of external audit teams for major clients including Nationwide, Barclaycard, and Commerzbank. Contributed to business advisory projects for Citigroup and Dresdner Kleinwort, and designed and implemented testing plans for Section 404 Sarbanes-Oxley engagements, effectively communicating results to clients. Conducted comprehensive business risk assessments and provided insights on the implications of findings for engagements. Maintained up-to-date knowledge of key developments in the banking industry, particularly regarding the recognition of day-one profits, and developed audit procedures to ensure accurate adoption of FAS 157.

Member of the Citibank private banking and commercial banking external audit team, responsible for identifying key controls, documenting system flow, performing compliance tests, and researching economic information to produce internal update reports on Citibank.