Warren is a partner in the firm's Employment Group and advises a wide range of British and multi-national private companies, especially in the technology sector. Chambers and Partners 2007 have reported Warren is “a force to be reckoned with; he has tremendous negotiation skills and knows employment law inside out.”
Specialising in a range of employment issues, Warren has particular experience in dealing with employment disputes, drafting and enforcing confidentiality clauses and employment restrictions, executive severances, restructures, data protection and complex tribunal claims.
Warren regularly speaks on employment law topics for leading suppliers such as IRS Tolleys. He contributes regularly to a range of Croner and other specialist publications. He has also appeared on BBC Radio and Television news commenting on employment law issues.