Citywealth's Crypto Editorial Board

11 May 2022

The Citywealth Crypto Editorial Board provides guidance and direction to our editorial team. Convening twice a year - virtually - the board discusses the latest trends and innovation in the wealth management and private client industries, with a focus on Crypto.


Charles Kerrigan, Partner, CMS Cameron McKenna Nabarro Olswang LLP (chair)

Charles Kerrigan

Charlie is a lawyer working in finance and emerging technology with specialisms in AI, crypto and DeFi.  He advises businesses, protocols, policymakers, and governments.

He is an Advisor to Cointelligence Fund; a Board Advisor to Holistic AI; an Advisory Board Member of the Investment Association’s Engine; and an Advisory Board Member of the UK APPGs on AI and Blockchain.

He is co-author and editor of AI Law and Regulation (Edward Elgar, 2022) and author of The Financing of Intangible Assets, TMT Finance and Emerging Technologies (Butterworths, 2019).


Sean Kiernan, Founder & CEO, Greengage Global Holding

Sean Kiernan

Sean Kiernan is the Founder and CEO of Greengage. He has extensive experience in financial services, having worked in various executive management positions. He founded Greengage after working at the first bank in the world to offer crypto products to clients, Falcon Private Bank, where he served as the COO and Interim CEO of the London operation until leaving to establish Greengage.

Prior to that he held management positions at Clariden Leu, a division of Credit Suisse, and Zurich Financial Services. Mr Kiernan has an MBA from the University of St. Gallen and a BSc from Georgetown University.


Ash Costello, Consultant, Author, Lawyer

Ash Costello

Ash Costello is a lawyer who advises on financial services law, privacy and blockchain. She is the Co-Chair of the Privacy Working Group for the International Association of Trusted Blockchain Applications (INATBA). 

She is also a Member of the Expert Panel of EU Blockchain Observatory and Forum and co-authors their reports and workshops on topics such as  non-fungible tokens (NFTs), decentralized autonomous organizations (DAOs,) Smart Contracts, Smart Legal Contracts, Decentralized Finance (DeFi), and privacy. Her previous roles include membership of the Technical Committee and the Standards Committee of the Baseline Protocol (a venture between Consensys, Ethereum and Oasis among others); Global Head of Legal for MUFG Investor Services and private practice in London law firms. 


Lyle Wraxall, Chief Executive of Digital Isle of Man 

Lyle Wraxall

Lyle is the Chief Executive of Digital Isle of Man overseeing the growth of diverse sectors that form part of the Isle of Man’s digital economy spanning  eGaming, esports, Fintech, blockchain, IoT, technology and innovation. He is responsible for developing and implementing a strategy to support sustainable economic growth and establishing the Island as a centre of international excellence for the digital economy through public/private partnership.

Prior to his current role Lyle has worked extensively with large private sector and public sector clients in London and America including RBS, Deutsche Bank, IMF, US Federal Reserve and UK Cabinet Office. He is a highly experienced management and technology consultant who has worked across the whole digital and fintech space. Most recently he was Head of the New York office for Pcubed – a significant international management consultancy practice with offices around the world.


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