Directory Find a Team Member By Category All Categories Capital Partners (2) Governance Committee (1) Operating Committee (4) Underwriters (23) Underwriters (including Leadership) (25) Underwriting Leadership (11) By Locations Bermuda (23) Chicago (6) Dublin (2) London (31) Miami (5) New York (26) Singapore (5) Sydney (3) Zurich (10) By Team By Team By Team Chief Underwriting Executives (4) Portfolio Heads (4) Regional Leadership (0) Specialist Leadership (1) By Line of Business Casualty Insurance (2) Casualty Reinsurance (6) Credit (2) Property (12) Specialty (2) Reset Justin O’Keefe Chief Underwriting Officer - North America & Bermuda +1 441 239 4831 Fiona Walden Chief Underwriting Officer - Casualty & Specialty +1 441 239 4724 RJ Shea President, Renaissance Reinsurance U.S. Inc.* Head of Underwriting Strategy – Casualty & Specialty* +1 441 239 4807 Sven Wehmeyer Chief Underwriting Officer - Europe & Latin America +1 441 278 9050 James Riley Global Head – Casualty* +1 441 239 4920 John Carty Global Head of Property Catastrophe - US +1 441 239 4948 Peter Muirhead Global Head of Property Catastrophe - International +1 441 239 4766 Adria Richards Global Head of Global Clients and Director of Underwriting - Property +1 441 239 5041