Siân heads COINsult, the regulatory compliance consultancy focusing on virtual currencies and distributed ledger technology that advises fintech startups, governments and enterprises. She also leads the European Digital Currency and Blockchain Technology Forum, a public policy platform helping EU policymakers and legislators shape sound policy and regulation.

Siân is a member of ISO’s technical committee on DLT and sits as an expert on its Security & Privacy and Smart Contracts study groups. She also sits on BSI’s national mirror committee, techUK’s DLT working group, and the Financial Markets Law Committee DLT working group.

She is a founding member of the UK Digital Currency Association and led its Regulation & Banking working group (2014-2016). She contributes to leading blockchain podcast, Epicenter, and is a regular speaker and panellist at conferences. Siân is also an Ambassador for the Emerging Payments Association, and helped found the first publicly-quoted blockchain technology company and the first blockchain platform provider on the UK Government’s G-Cloud.