Siân is an associate in the Investigations, Financial Regulation and White Collar Crime team, based in the London office. 

Siân specialises in complex financial regulatory issues for financial institutions and individual members of senior management. 

Siân has experience representing clients in regulatory investigations by the FCA, PRA and other enforcement agencies, corporate internal investigations and related litigation.

Siân is a contributing author to Financial Regulation: Emerging Themes in 2020 – an extensive collection of articles around the themes of supervision, governance, financial crime and investigations and digital.