SAN DIEGO--(BUSINESS WIRE)--Specialist property catastrophe underwriting manager, Catalytic Holdings, LLC (“Catalytic” or “the Company”), has hired well-regarded industry veteran Sam Ramsey to lead its newly formed wind underwriting business. Ramsey joins Catalytic from All-Risks Ltd. where he headed the broker’s Lloyd’s of London underwriting facilities business. Before that, he led the commercial wind underwriting group at ICAT Insurance Managers, LLC. Since joining the Company, Ramsey has as