Directors
Our directors have years of experience in the financial services sector, having all held key positions within the legal departments of financial service organisations before founding DRS 10 years ago.

Jonathan Martin
Director, CEO

David Sargen
Director, COO

Sean MacGloin
Director, Head of Business Development

Michael Beaton
Director
Bio
Jonathan is the founder and CEO of DRS. He began his career in financial services at Barclays Capital in 1997. At Barclays, Jonathan held a variety of roles, heading the legal support for repo and equity financing (including prime brokerage), hedge fund sales and structured OTC derivative transaction management.
Jonathan also spent a year assisting in the implementation of guidelines, operating procedures and reporting processes for the Barclays Capital Documentation Unit (a global team that manages all master agreement negotiations). Latterly, Jonathan held the role of Director, Head of Structured Products managing a team responsible for the execution and distribution of structured products.
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David joined Barclays Capital in 1997, working in the Legal department, gaining expertise in derivatives, capital markets and structured products. David went on to manage the Fund-linked Derivatives and Equity Financing legal teams, before moving to the role of Director in the Investor Solutions sales team for three years. This encompassed offering Fund-linked Derivatives and equity financing products to Barclays Capital’s top tier asset management and private banking clients.
David joined Derivatives Consulting Group as a consultant after leaving Barclays Capital in 2008, and was a joint founder of DRS in 2009, focussing on Document Outsourcing and Support projects as well as Legal and Regulatory Consulting.
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Sean managed the legal department at Mitsui & Co. Energy Risk Management Ltd (MERM), overseeing the documentation of MERM’s global derivatives trading relationships. Prior to that, Sean was with Cadwalader, Wickersham & Taft for over a decade – he worked in the London and New York Capital Markets and Project Finance Departments on a wide variety of matters, including securitizations/ABS programmes, public bond issues and derivatives.
Sean has extensive expertise in global commodities markets. He is a dual qualified lawyer (England & Wales and NY Bar). Sean was a joint founder of DRS in 2009, where he provides expertise in Legal and Regulatory Change Consulting, and all Commodities related research and business development.
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Michael joined Barclays Capital in 2001 working first as a derivatives lawyer and then as a senior structurer within the Complex Transactions Team, forming part of the Equity and Funds Structured Markets trading desk. Here, he specialised in the design and documentation of derivatives linked to mutual funds, hedge funds, equities and indices. Michael left Barclays Capital to join DRS in October 2010, where he has responsibility for the firm’s near-shore facility in Newcastle.
Michael is also responsible for the firm’s regulatory practice and has appeared as a panel expert in a number of industry events on such topics as Central Counterparty Clearing, Recovery and Resolution and CASS Resolution Packs.
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Connect via LinkedInLeadership Team
We are practitioners first and foremost – our senior management and leadership have all spent large parts of their careers in private practice and in-house legal roles developing the skills and experience which drive our service delivery.

James Buck
Senior Consultant

Marco D’Ercole
Senior Consultant

Claudia Goncalves
Senior Consultant

David Kennard
Head of Operational Delivery

Nadia Malone
Senior Consultant

Samara Moss
Head of HR

Nick Railton-Edwards
Head of Research

Ralitza Shiderova
Senior Consultant

Pietro Venturi
Senior Consultant