CASS Audits 2025

A Speaker from the FCA to be announced

Oliver Hawes, PKF
Oliver Hawes is a Director in the Financial Services team at PKF. He specializes in funds and asset management and has extensive experience managing the audits of FCA regulated entities, including asset, wealth, and investment managers and funds. Oliver also contributes to the ICAEW CASS working party and is responsible for delivering the firm's training on CASS 6 and 7.

Poppy Proborespati, Forvis Mazars
Poppy is a Partner in the Audit team at Forvis Mazars, based in London. Poppy joined Forvis Mazars in May 2022 from EY, where they were an Associate Partner. Poppy has extensive experience in banking, capital markets, and asset management.

Gillian Boston, Johnston Carmichael 
Gillian is a Financial Services Director at Johnston Carmichael, based in their Glasgow office. Gillian joined Johnston Carmichael in July 2023 and is a CASS RI working with clients throughout the UK. During her career, Gillian has led finance and regulatory teams in practice and the Financial Services sector. More recently, Gillian was the Head of Business Consulting for a software solutions provider specializing in data management, financial controls, and regulatory reporting. Prior to joining Johnston Carmichael, Gillian was Head of Client Assets, responsible for CASS operational oversight and finance operations for a FinTech company. Gillian is also a member of the ICAEW Financial Services Faculty CASS working group and a committee member of the Scottish CASS Forum.

Mduduzi Mswabuki, Partner, Financial Services and Partner Sponsor, EY
Mduduzi is a Partner for EY UK with over 20 years’ experience in assurance and consulting practice. He is focused on helping clients in the Banking and Capital Markets sector to deliver on their regulatory and strategic priorities and to achieve their growth ambitions. Mduduzi is co-chair for Diversity and Inclusion and also the Partner Sponsor for the EY Race & Ethnicity Network (REN), a powerful forum for people to share their lived experiences with colleagues in a candid and honest way. He is a chartered accountant and holds an accounting sciences degree from the University of South Africa.

Shermeen Kazimi, Grant Thornton
Shermeen has over 20 years’ experience in the audit practice and is a dedicated financial services specialist, with experience across multiple sectors including FCA regulated businesses, with particular focus on CASS and Safeguarding. She is a technical and quality assurance specialist, with extensive experience of risk identification, assessment, and monitoring in relation to FCA’s laws & regulations impacting regulated firms. She leads the development and delivery of regulatory assurance propositions, including CASS and Safeguarding. Shermeen acts as Chair of ICAEW CASS and Safeguarding working party.

Polly Tsang
Prior to joining the ICAEW, Polly specialised in structured finance and asset backed securitisation at PwC, helping firms raise debt market funding and buy/sell asset pools. She qualified as an ACA with PwC London within investment management and banking and capital markets. She is interested in exploring the risks and opportunities in regulating financial services in the post-Brexit landscape, particularly in evolving areas such as ESG, cryptoassets and AI.