Marcus over 40 years' experience as a commercial disputes lawyer.
In that time he has conducted a wide range of commercial and private disputes including banking and derivatives litigation, all aspects of insolvency law, trusts, pensions, shareholder issues, partnership disputes, international asset tracing and recovery, defamation and free speech, and international contractual disputes. He is a Chartered Arbitrator and has sat on the Disciplinary Panel of the Chartered Institute of Arbitrators. He sits as an Arbitrator and has published over 750 Arbitral awards.
Marcus trained and subsequently became a partner at Booth & Blackwell before working for a year in Kenya. On his return he joined DJ Freeman where he remained for 21 years until joining Reed Smith LLP in 2004. He was Head of European Litigation before the firm merged with Richards Butler in 2007 and he joined Enyo Law LLP in 2011.
- Advising two prominent financiers and their alternative investment management firms caught in the collapse of Madoff ’s Ponzi scheme and defending restitution and fault-based claims in the context of multi-jurisdictional proceedings.
- Macquarie Capital (Europe) Ltd v Nordsee Offshore Meg I GmbH  EWHC 1655 (Comm)
- ORB A.R.L & Anor v Fiddler & Anor  EWHC 361 (Comm)
- Representing a leading European luxury goods manufacturer in a business-critical LCIA arbitration concerning a number of cross-border disputes arising out of its joint venture business arrangement with a local partner in the Middle East.
- Acting for the former owners of a wind farm in a $30 million arbitration concerning technical issues against a subsidiary of a French energy major.
- Rubicon Fund Management LLP & others v Timothy Attias & others
- R v Mergers and Monopolies Commission (ex p Argyle)  EWCA Civ 8
- Esal Commodities (international insolvency and asset recovery)
- Transurk v Polly Peck (contract for the sale of shares)
- Umaru Dikko (high profile political asylum)
- Richbell Group (insolvency, directors public examination and asset recovery)
- Saunders v Punch (confidentiality)
- McDonald & others v Horne others (Pensions, Trusts, Fincial services Regulation, and reputation management issues)
- Channel 4 – Official secrets
- Channel 4 – Contempt of Court
- Channel 4 – Reporting court proceedings
- Channel 4 and Praxis – Bloody Sunday Enquiry
- Channel 4 – Monty Python Films – copyright issues
- Channel 4 – “staying lost” – filming children
- Robins v SCC – computer system case
- R v Sanders and others – Human Rights in Court of Appeal and House of Lords
- Boss France – Article 5 and jurisdiction issues
- Princess Diana tapes copyright dispute and Inquest
- Renmzi Gur v Avrupa Newspapers – libel damages in Court of Appeal