Directory Find a Team Member By Category All Categories Governance Committee (1) Operating Committee (2) Underwriters (32) Underwriters (including Leadership) (34) Underwriting Leadership (4) By Locations Bermuda (25) Chicago (6) Dublin (2) London (32) Miami (5) New York (28) Singapore (5) Sydney (3) Zurich (11) By Team By Team By Team Chief Underwriting Executives (2) Portfolio Heads (0) Regional Leadership (1) Specialist Leadership (0) By Line of Business Casualty Insurance (4) Casualty Reinsurance (14) Credit (1) Property (6) Regional/Multi-Class (5) Specialty (2) Reset David Marra Executive Vice President and Group Chief Underwriting Officer RJ Shea President, Renaissance Reinsurance U.S. Inc.* Head of Underwriting Strategy – Casualty & Specialty* +1 441 239 4807 Adriana Nivia Managing Director, North America +1 212 238 9673 Jason Williams Head of Casualty Reinsurance – US New York +1 203 658 1904 Kevin Fry Head of Regional Multi-Line +1 847 310 5846 Colleen Brien Casualty Reinsurance New York +1 212 487 5222 Noelle Collado Head of Casualty Insurance - US Casualty Insurance New York +1 212 238 9270 Raquel Conrad Head of UW Operations – US New York +1 212 238 9331