Warwick is Partner leading College Public Policy. For 16 years he has advised a range of clients on domestic and international legislative, regulatory and public policy issues. Prior to joining College Hill, he was Chairman & Chief Executive Officer of Citigate Public Affairs Ltd. Before joining the public affairs industry, Warwick was in government service for 16 years as a policy adviser, ministerial aide, and international negotiator.

Warwick is immediate past Chairman of the Association of Professional Political Consultants in the UK and is a past member of the Policy Committee of the London Chamber of Commerce and Industry