Hannah started her audit career with Ernst & Young in Nairobi, Kenya in 2001, were she was involved in the audit of various clients across financial services, manufacturing, and retail industries . She then moved to PwC in Guernsey, Channel Islands in 2005 were she focused in the audit of various wealth management clients; in 2007 she joined Ernst & Young in London banking and capital markets audit team auditing clients in the financial services sector, including corporate banking, investment banking, retail banking and wealth management. In 2011, she joined HSBC in the global banking and markets internal audit team were she focused on identification of various business process weaknesses and controls and subsequently recommending solutions and process improvements.

Hannah is a Certified Public Accountant with more than 10 years of audit experience in the financial services sector. Her experience includes leading and supervising audit teams, review of financial statements under IFRS, and dealing with other regulatory reporting requirements e.g. UK Financial Services Authority (now FCA and PRA).