Executive team

Peter Dewey – Chief Executive Officer (CEO)

Peter Dewey is a member of the Board and was appointed Chief Executive Officer of AmTrust at Lloyd’s and AmTrust Underwriting Limited in July 2014. He joined AmTrust Financial Services Inc. (AFSI) in 2003 and from 2005 to 2013, was based in the United States. Prior to joining AmTrust at Lloyd’s, Peter was Chief Underwriting Officer of AmTrust’s Specialty Risk & Warranty Division and led a team of actuaries, underwriters and risk management professionals to design, rate and manage the Specialty Risk & Warranty Portfolio. From 2000 to 2003, Peter was an Underwriter with Trenwick International Limited and prior to that, he worked for an MGA as an Underwriting Manager.

Janet Helson – Chief Operating Officer (COO)

Janet joined AmTrust at Lloyd’s in 2016 following their acquisition of ANV.  Her previous role in ANV was CEO of their Managing Agency where she was responsible for the management of operations within ANV’s Lloyd’s platform. Prior to this she was Director of Randall & Quilter’s Underwriting Management Division where she was engaged to develop new business opportunities, Janet brings to the role of COO over 30 years’ experience in the London insurance market.

Janice Hamilton – Chief Financial Officer (CFO)

As the CFO for AmTrust at Lloyd’s, Janice carries the responsibility for all financial planning, treasury, accounting, forecasting and regulatory compliance for the finance and accounting functions. Janice joined AmTrust through their acquisition of ANV in 2016. Before her work at ANV she had held senior auditor and assurance services positions specifically in the insurance market at Ernst & Young in London as well as Chicago. Janice is a Certified Public Accountant by the State of Illinois.

Mike Sibthorpe - Chief Underwriting Officer (CUO)

Mike is a member of the Board and was appointed Chief Underwriting Officer of AmTrust at Lloyd's and AmTrust Underwriting Limited in October 2014, with oversight for the underwriting strategy of syndicates 1206, 5820, 1861 and Life syndicates 44 & 779. Prior to joining AmTrust, Mike was responsible (as Chief Executive Officer) for establishing W.R. Berkley syndicate 1967 in 2009, and subsequently its Managing Agency platform in 2012. Previously Mike was a key member of the original management team at Brit, where he became Chief Executive Officer of Brit Global Markets and Active Underwriter of Brit syndicate 2987. Before joining the Lloyd’s market, Mike held senior positions in the company insurance market (Eagle Star) and investment banking (CIBC, ABN, Lloyds Bank). Mike is also an Associate of the Chartered Institute of Bankers.

George Sweatman - Chief Risk Officer (CRO)

George is a member of the Board and Chief Risk Officer of AmTrust at Lloyd's and AmTrust Underwriting Limited. George joined the company in 2007 and his responsibilities include the assessment and maintenance of the risk management framework, the operational management of the risk management and exposure management departments, and overseeing the implementation and maintenance of the Solvency II requirement.

George began his Insurance career as a Risk Control Engineer, specialising in the identification, evaluation and control of industrial property and business interruption exposures. The skills developed over 25 years in this field, provided the foundation for his progression into the wider corporate Risk Management role.

Donal Barrett - Chief Compliance Officer (CCO)

Donal is a member of the Board and Chief Compliance Officer of AmTrust at Lloyd’s and AmTrust Underwriting Limited. He currently oversees and manages the companies’ compliance including adherence to the regulatory requirements and staff internal policies and procedures. Donal also acts as the Company Secretary. Since joining AmTrust in 2012, Donal has focused on developing the Corporate Governance regimes and enhancing the infrastructure of the Managing Agency. He joined the AmTrust Group as a project consultant in 2012 and was primarily responsible for the acquisition of the Managing Agency, now known as AmTrust at Lloyd’s.

Ben Gilman – Chief Actuary

Ben is Chief Actuary at AmTrust at Lloyd’s with responsibility for pricing, reserving, capital modelling and exposure management. Ben was previously a member of the executive team at ANV. Prior roles include Chief Risk officer at Julbilee, leading the Business Analytics practice at Marsh, a senior management role in Deloitte’s insurance services function and Pricing & Capital Actuary for Novae. Ben holds an MSci in Mathematics and is a  Fellow of the Institute of Actuaries.