Meet The Team

The front line of the biggest change in banking history to date

DAG’s team comes from the regulated banking world combined with technical expertise, which allows us to operate within the next industrial revolution at the convergence of AI, data science, blockchain, and the evolution of the crypto economy and financial industry.

Sean Kiernan

Founder & Chief Executive

Sean has extensive experience in financial services, having worked in various roles in executive management.


Most recently, Sean was the COO of the London office of the first bank in the world to offer crypto products to clients.

Stephanie Ramezan

Chief Commercial Officer

Stephanie started her career in the City of London and has spent the past 14 years across a variety of front-office Sales/Trading/Corporate Finance roles and was most recently involved in capital raising for private placements primarily with a family office focus.Stephanie has also founded her own companies both within and away from the financial services industry.

Tim Davies

Chief Risk Officer

Tim has over 25 years experience of risk management, holding senior managerial positions in investment banking, energy trading, payment services and broking. He has helped build an investment bank, integrated the risk functions and managed the risks associated with a number of mergers & acquisitions. Tim has a degree in Chemical Physics, an MBA (majoring on the SME sector) and is qualified and experienced in marketing (DipM, MCIM) 

Iain Watson

Chief of Staff

As a Chartered professional, Iain has held executive and management positions in leading financial institutions based around the world.

An experienced COO, CAO, Head of Operations and Program Manager he has extensive experience in Financial Services, Operations, Technology, Strategic Planning and Program Management.

Yang Yu

Financial Controller

Yang is a technically strong and commercial minded professional accountant with great experience in accounting, financial and regulatory reporting, financial control, auditing and taxation. He is member of both ACCA and ICAEW, he is also a  Chartered Tax Adviser and a member of the Chartered Institute of Taxation. Most recently, he was associate director in Finance and Accounting of the London branch of a Swiss private bank.

Stephanie Kogels

Adviser to DAG

With a career of 16+ years in investment banking (o.a. Barclays) across Europe and subsequently advising (Fin)Tech scale ups on strategy and positioning, Stephanie contributes financial, business acumen, board governance knowledge, acute judgment in commercial risk trade-offs, and an international, highly professional perspective.

Laurence Hemming


Laurence is a Professor at Lancaster University, with a joint appointment in the Business School as well as in Politics, Philosophy and Religion.


He has taught business ethics at the Lancaster University Management School and is extensively published, most recently in a book on the  philosophy of work. His doctorate is from the University of Cambridge.

Matvej Shpakov

Client Experience

A serial digital asset entrepreneur, Matvej is well connected in the crypto economy and has a strong background in sales and commercial trading. His approach is novel and genuine, and will ensure that the client is the centre of everything we do at DAG.

Dennis Sweeney

Treasury Operations Director

Dennis is an experienced Senior Adviser with an acknowledged history of working in investment banking / information technology and services industry. Skilled in  Treasury, Market Risk, Securities, Asset Management and Prime Brokerage. 

John Coles

Senior Process Engineer

John is a Senior Project Manager with over 30 years experience in Investment Banking with a proven track record of successfully delivering major corporate initiatives to within budget and agreed timeframes to achieve business objectives.

Samantha Blunden


Samantha has worked in Accounting for over 20 years, starting out in property accounting as a Service Charge Accountant and leading to Client Accounting where she gained her management expertise.Her skills include Payroll, VAT, Corporation Tax, Accounts preparation, Bank Reconciliation, Credit Control, Sales Ledger, Purchase Ledger and the migration of data from numerous systems.

Robert Andersen

Digital Asset Sales

Robert brings over 25 years of capital markets experience in trading and sales of financial instruments across asset classes having worked for leading investment banks and brokerages globally. Robert's clients benefit from his expertise in financial analysis and market risk management coupled to his mediation and negotiation skills. He  holds a BSc in Philosophy and Mathematics.

Hirander Misra


Hirander is a Co-founder of the Group and also Chairman of GMEX Technologies. He is also Chairman of Forum Trading Solutions and Managing Director of Misra Ventures, a consultancy providing specialist senior level advisory services and helping firms deliver change in market structure, trading and regulatory compliance.

Mark Pickering

Chief Technical Officer

Mark has worked in the IT Industry for over 25 years, starting out as a developer for Unisys and moving up through the ranks to Technical Architect before starting his own specialist Financial Services Consultancy company. A natural tech entrepreneur with a head for business gives him the unique ability to join the two worlds of FinTech.

Glenn Palmer

Client Operations Director

Glenn has spent over 20 years in the wealth management and trading sector servicing the requirements of high net worth clients. His career spans periods at institutions such as Barclays Wealth, Morgan Stanley Wealth Management, Lehman Brothers, Oppenheimer and Canadian Imperial Bank of Commerce. Glenn is FCA CF30 registered, CISI PCIAM Level 6 qualified and is also FINRA registered in the United States.

Gavin Smith


Gavin brings a scientifically based approach to our product development and analysis by determining segment product preferences, analysing market behaviour and trends (including competitor initiatives) in order to grow DAG's portfolio of products and services.

James Tewes

Chief Information Security Officer

James is experienced in the technology space having a 24-year history working specifically within infrastructure architecture and security. James has worked as a consultant for banks of various sizes with specific focus on banks which often require rearchitecting to transform their legacy infrastructure into highly resilient, modern, efficient and secure environment ensuring they meet current standards whilst using the latest technologies.

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